In the above reading, it talks about one population wandering away from the other in search of food as the beginning of the polar bear sub-species. Which of the following best describes what occurred to cause this split of the bear population?

A. The brown bears were killed by disease 125,000 years ago leaving only a population of polar bears.

B. The massive glaciers isolated the populations causing geographic isolation

C. They had a variety of fur color alleles, so all the white furred bears moved north

D. All of the Above

Question 2.
Which of the following is an adaptation that allows a polar bear to survive in this biome?

A. Thick fur to help them stay warm


B. They began hunting seal carcasses and then live seals at the waters edge to gain nutrients to survive


C. Their molar shape changed to adapt to eating seals instead of berries.


D. All of the above

Answers

Answer 1

Answer:

d,d

Explanation:

all the things are all the above because they have those to help the bears survive

Answer 2

An adaptation that allows a polar bear to survive in this biome because their molar shape changed to adapt to eating seals instead of berries.

What do you mean by biome?

A biome is a biogeographical unit consisting of a biological community that has formed in response to the physical environment in which they are found and a shared regional climate.

A biome is an area classified according to the species that live in that location. Temperature range, soil type, and the amount of light and water are unique to a particular place and form the niches for specific species allowing scientists to define the biome.

There are five major types of biomes: aquatic, grassland, forest, desert, and tundra, though some of these biomes can be further divided into more specific categories, such as freshwater, marine, savanna, tropical rainforest, temperate rainforest, and taiga.

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Related Questions

During any type of mineral growth, atoms accumulate on
A. ions
B. native elements
C. silicates
D. crystal faces

Answers

I think it’s silicates If you get it wrong just use the app Socratic

Answer:

crystal faces

Explanation:

Use the information from lecture and lab powerpoints and the textbook to determine which part of the
endocrine system could be experiencing problems in the scenarios below. List some other information
that could confirm or rule out your initial diagnosis (tests you might be able to run or questions to ask
the patient or relatives). Explain your reasoning.
1.
A 27 year old female enters the clinic complaining of fatigue, fluid retention (especially in
her face), and a cold that she just cannot kick. She is studying for her midterms (she is a first
year physician's assistant student) and her roommate finally convinced her to come in;
because she is always sick and always grumpy.​

Answers

Answer:

This woman is likely to be hypothyroid.

Explanation:

The woman has symptoms that may be linked to hypothyroidism, which occurs when the thyroid produces little hormone

thyroid. This disease is more common in women than in men and can be very debilitating if not properly cared for.

The doctor who will assist the woman shown in the question above, should ask questions about what she is feeling and see if she has low immunity, weight gain (in addition to fluid retention), feeling cold, mental depression, menstrual irregularities and constipation .

Finally, the doctor must order a blood test to see if the levels of thyroid stimulating hormone (TSH) and thyroid hormone (T4) are adequate and thus to confirm or not the disease.

Most of the costs associated with using renewable resources are due to _______.
a.
overuse of resources
b.
atmospheric pollution
c.
lack of availability
d.
global warming


Please select the best answer from the choices provided

A
B
C
D

Answers

Answer:

A

Explanation:

When we overuse resources, even when the are renewable, it can cause damadge to them that can't be repaires. Like killing too many trees in a forest.

Answer:

A

Explanation:

n
Both weathering and erosion produce
а. sediment
b. carbon dioxide
C. mass movement
d. igneous rocks

Answers

A. Sediment

Both weathering and erosion produce sediment
Weathering, by definition, is the physical integration and chemical decomposition of earth materials at or near the earth’s surface. Erosion, by definition, is the gradual destruction of something by natural forces (e.g. water, wind, ice). Therefore, the characteristic of both weathering and erosion is that it occurs naturally.

Which product of cellular respi tion is used by the human body for energy?
O oxygen
Ο ΑΤΡ
O sunlight
O CO2​

Answers

Answer:

The answer is option 2.

Explanation:

ATP is the main product of cellular respiration.

Think of another science topic you studied earlier. How does that topic connect to what we are learning about carbon and energy in ecosystems? Be creative! Consider how carbon in ecosystems might affect or be affected by molecules, energy, forces, Earth—either its atmosphere or oceans.

Answers

Answer:

ecosystems might affect or be affected by molecules, energy, forces, Earth—either its atmosphere or oceans.ecosystems might affect or be affected by molecules, energy, forces, Earth—either its atmosphere or oceans.

Explanation:

ecosystems might affect or be affected by molecules, energy, forces, Earth—either its atmosphere or oceans.

Please help with this science question!!

Answers

Answer:

the body temperature of the fish would increase

Explanation:

Since fish can not increase or decrease their body temperature at will, their body temperature will be determined by the temperature of the surrounding water.

Are people with hypertension more likely to get infected with the coronavirus than people who are healthy?
Yes or no?

Answers

Yes because they have an underlying disease which affects their body in a negative way
Yes because they would have a weaker immune system

Fill in the blank. Bacteria of viruses can cause ----------- diseases. Which are increasing in occurrences geographic area, or both

Answers

The answers is infectious

How are nerve cells adapted to carry electrical messages?

Answers

Answer:

"The axon, the long, thin part of the neurone along which the impulse passes, is covered in a fatty myelin sheath, which acts as an electrical insulator."

Explanation:

"The dendrites receive incoming nerve impulses from other neurons."

To push a heavy box up a ramp into a moving van, what could be used to
decrease the force of friction?
Check all that apply.
O A. Place rollers or wheels on the bottom of the box.
O B. Place another box on top of the one you are trying to slide.
0 C. Push harder on the box.
I D. Put a lubricant between the ramp and the box.
*THERE IS MORE THAN ONE ANSWER *

Answers

Answer:

I would say A. and D.

Explanation:

These 2 options can help decrease the force of friction.

The answer is D I think

1. How does the equations help explain the role of
producers in the ecosystem?

1. Producers create energy for other organisms to consume.
2. Producers convert sunlight into usable energy and Nitrogen.
3. Producers convert carbon dioxide and water into sugar.
4. Producers create Carbon dioxide for other organisms.
2. Aerobic Cellular Respiration is important to organisms because
1. It allows plants to produce sugar for food.
2. It releases the oxygen needed by plants for photosynthesis.
3. It converts sugars to usable energy that all organisms need.
4. It helps animals digest the sugars when they eat plants.

Answers

Answer:

1. Producers create energy for other organisms to consume.

2. It converts sugars to usable energy that all organisms need

Explanation:

All living organisms require energy, which they obtain by feeding on one another in an ecosystem. The series of feeding steps involved is called FOOD CHAIN. Food chain always starts with an organism called PRODUCER, which is an autotroph i.e. capable of producing its own food by using light energy from sunlight e.g plants. All other organisms in the food chain are directly or indirectly dependent on plants to get energy. This is because plants and other autotrophs create the energy that is being transferred as the food chain progresses.

2. Cellular respiration is an important phenomenon for all living organism because it is the metabolic process by which they obtain the usable energy by their cells i.e. ATP. Food molecules in form of sugar (glucose) eaten by organisms are broken down in the presence of oxygen (aerobic) to yield ATP molecules, which is the energy currency of every living cell. This energy is used to perform the organism's life activities.

Which two hypotheses can be supported with quantitative data?

Answers

Answer:

People who eat low-protein diets are more likely to have less muscle mass.

Eating less salt lowers blood pressure over time.

interference competition
Define

Answers

Answer:

the competition between organisms is direct.

Explanation:

An example is the aggression display between competing organisms. This applies to both intraspecific and interspecific competition. In intraspecific competition, the competing organisms are of the same species.

Which statement best describes Mendelian or complete dominance?



When both the dominant and recessive allele shows.



When the dominant and recessive alleles mix to form a third phenotype.



When the dominant trait or allele completely masks the recessive allele.

Answers

Answer:

When the dominant trait or allele completely masks the recessive allele

Explanation:

Mendelian or complete dominance is a relationship of genes in which one allele of a gene pair that codes for a trait expresses itself over the other allele of the gene pair. The allele of the gene pair that expresses itself over the other is the dominant trait or allele, which completely mask the expression of the other allele called the recessive allele or trait.

In the pea plant experiment conducted by Mendel, complete dominance can be seen. For example, for seed color of pea plant, allele for yellow seed color was dominant over allele for green seed color.

Jane has a beaker containing a clear solution. She adds a liquid pH indicator to the clear solution and observes that the solution changes to bright blue. The clear solution in the beaker must be a(an)

Answers

Answer: a (weak) acid

Explanation: the solutions are mostly neutral but the pH shown by the indicator as a bright blue means it is slightly acidic meaning the pH is between 6 and 7.6

As the solution turns bright blue on addition of indicator, the solution in beaker must be a weak base.

What is a base?

According to the Arrhenius concept, base is defined as a substance which yields hydroxyl ions on dissociation.These ions react with the hydrogen ions of acids to produce salt in an acid-base reaction.

Bases have a pH higher than seven as they yield hydroxyl ions on dissociation.They are soapy in touch and have a bitter taste.According to the Lowry-Bronsted concept, base is defined as a substance which accepts protons .Base react violently with acids to produce salts .Aqueous solutions of bases can be used to conduct electricity .They can also be used as indicators in acid-base titrations.

They are used in the manufacture of soaps,paper, bleaching powder.Calcium hydroxide ,a base is used to clean sulfur dioxide gas while magnesium hydroxide can be used as an antacid to cure acidity.

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Name the localized root tissue that makes roots grow longer. (three words, spell out)

Answers

The root cap??? I think not for sure though.
Primary (apical) meristems, the dividing tissue at the tips of the roots, grow longer roots

8. Ligaments are strips of tough tissue that
support soft tissues inside bones
prevent friction between bones
connect bones to bones
attach muscles to bones

Answers

Answer: C

Explanation:

Ligaments are strips of tough tissues that serves as connective tissue for two or more bones and cartilages. These also holds the joints together.

Ligaments are strips of tough tissue that connect bones to bones; that is the third option because the bones that are present in the body are connected to each other with the help of the ligaments.

What is the significance of the ligament?

Ligaments are significant for many different factors, such as that they have an important role in physical activities such as sports and maintain optimal performance and injury prevention as they have a rich blood supply. They have an important role in preventing injuries to joints and bones as they protect bones and cartilage from excessive stress and connect bones to bones.

Hence, ligaments  are strips of tough tissue that connect bones to bones; that is the third option because the bones that are present in the body are connected to each other with the help of the ligaments.

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which statement about enzymes is true an enzyme functions to increase the activation energy and reaction enzymes are proteins that function as catalyst in nonliving things each enzyme catalyze many different bio chemical reactions enzymes and substrates fit together like a lock and key

Answers

Answer:dirnk energy drinks

Explanation:i hate this

How far apart are Y and B?

Answers

Answer:

about 23 letters apart

Explanation:

In the United States, the moon’s pull is strongest during which season?
1. spring
2. summer
3. fall
4. winter

Answers

Answer: Spring

Explanation:

Gravitational pull is affected by mass and distance. Since the moon’s mass does not change, the moon’s distance between Earth and the moon is the main consideration for the strength of lunar gravity. The moon’s pull on Earth waxes and wanes as the moon follows its elliptical orbit around the Earth, the distance between the two celestial objects increases and decreases. When they are nearest to each other, the moon is in the point of its orbit called the perigee, and its pull on Earth is the strongest.

On Earth, the moon’s gravity primarily is manifested as high and low tides, as the water bulges toward the moon. The effects of lunar gravity are felt the most at the constantly changing spot on Earth that is directly beneath the moon, called the sub-lunar point. At most times of the year, the moon has a greater pull on Earth than the sun does, but this changes during the times of year when the Earth’s orbit brings it closer to the sun. At these times, the sun’s gravitational pull causes spring tides, and when these coincide with the moon’s orbital perigee around the Earth, they are called perigean spring tides.

Earth exerts a gravitational pull on the moon 80 times stronger than the moon’s pull on the Earth. Over a very long time, the moon’s rotations created fiction with the Earth’s tugging back, until the moon’s orbit and rotational locked with Earth. This is called "tidal locking," and it explains why the same side of the moon always faces the Earth.    

Answer:  The correct answer is 1. spring

Explanation:  Confirmed correct.

what is the least amount of time you should stay in your target heart rate

Answers

Answer:

Aim to be at your THR for at least 15 to 20 minutes workout time, and ideally 35 to 45 minutes. If you're a beginner, start at 65 percent to 70 percent of your maximum heart rate and gradually increase the intensity.

Hope this helped...

What science aims to discover solutions to practical problems?

Answers

Answer:

The aim of applied science is to find solutions to practical problems

The aim of applied science is to find solutions to practical problems or  science aims to discover solutions to practical problems.

What is natural science?

Natural science is the branch of science that deals with the study of natural events, based on experimental proof from research and experimentation. Earth and space science is the study of the Earth, oceans, land, solar system and atmosphere. it covers all fields of the natural science that are associated with the Earth planet.

Life science is the life sciences include the parts of science that include the scientific understanding of living organisms and life( plants, animals , microbes and human beings and physical science as it deals with studies of non-livings things.

Knowledge management approach focuses on making best use of the knowledge with the intent of achieving organisational objectives. It involves discovering, sharing and harnessing of the intellectual resources that a company holds.

Therefore, The aim of applied science is to find solutions to practical problems or  science aims to discover solutions to practical problems.

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Use the mass and density data to calculate the volume of corn syrup to the nearest tenth.
Mass of corn syrup = 57.3 g
Density of corn syrup = 1.38 g/mL
The volume of corn syrup is
mL.

Answers

Answer:

the correct answer is 41.5

The highest level of cellular organization requires the cooperation of multiple.
cells or systems ?

Answers

I believe it is systems sorry if I’m wrong

describe the conversion of energy when a robin eats blackberries NEED ANSWER ASAP (15 POINTS)

Answers

Answer:the energy from the sun goes to the plant than the plants energy goes into the robin because the robin consumed it.

Explanation:

Describe the processes of transcription and translation.

Answers

Answer:

The process by which DNA is copied to RNA is called transcription, and RNA is used to produce proteins is called translation.

Explanation:

translation is the process in which ribosomes in the cytoplasm or ER synthesize proteins after the process of transcription of DNA to RNA in the cell's nucleus. ...
Transcription uses a strand of DNA as a template to build a molecule called RNA

Use what you know about natural selection to fill in the blanks in the hypothesis. It should answer the lab question, “What is the effect of the type of food available on the frequency of different types of bird beaks?”

Hypothesis: If the type of food available changes, then…

…because…

Answers

Answer: The independent variable of the lab is the type of food that is available to the birds. The food type changes in a given environment, then the amount of each type of bird beak will changes as birds with beaks more suited to the available food will consume more successfully over time.

Explanation:

With the changes in the available food, the frequency of the beak type will also change as birds with beaks better suited to the available food become more successful.

What are different types of bird beaks?

There are many types of beaks in birds, some of these can be:

Crushing beak.Curved beak.Piercing and tearing beak.Birds of prey.Stickybeak.

With the changes in the available food, the frequency of the beak type will also change as birds with beaks better suited to the available food become more successful.

Thus, this is the hypothesis which support the given scenario.

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What are the main characteristics of amphibians?

Answers

Answer:

Amphibians are small vertebrates that need water, or a moist environment, to survive. The species in this group include frogs, toads, salamanders, and newts. ... The larvae are aquatic and free-swimming—frogs and toads at this stage are called tadpoles. At a certain size, the young develop limbs and lungs.

Explanation:

Answer:

undergo metamorphosis.,coldblooded and absorb water and undergo gas exchange

How would the quantity of stomata compare between plants in tropical environments and plants in hot, arid climates? -Plants in tropical climates would have fewer stomata because they would need to prevent the absorption of too much water from the atmosphere. -Plants in hot, arid climates would have fewer stomata because they would need to prevent undesirable water loss from the plant leaves. -Plants in hot, arid climates would have more stomata because they would need to release heat from the leaves to prevent dehydration. -Plants in tropical climates would have more stomata because they would need to absorb more water from the air than plants in arid climates.

Answers

Answer:

-Plants in hot, arid climates would have fewer stomata because they would need to prevent undesirable water loss from the plant leaves.

Explanation:

I took the test and got this right.

The necessity to minimize unwelcome water loss from the plant leaves would cause plants in hot, arid areas to have fewer stomata. So, the correct option is B.

What is Stomata?

The little apertures known as stomata are found just on epidermis of leaves. Stomata are visible under a light microscope. Stomata can be found on the stems and other portions of various plants. In exchange of gases and photosynthesis, stomata are crucial.

Because they need to take in more airborne water than plants in arid areas, tropical plants would have more stomata. Since they must prevent unwelcome moisture loss from plant leaves, plants in warm, arid climates would develop fewer stomata. The necessity to minimize unwelcome water loss from the plant leaves would cause plants in hot, arid areas to have fewer stomata.

Therefore, the correct option is B.

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Your question is incomplete, most probably the complete question is :

How would the quantity of stomata compare between plants in tropical environments and plants in hot, arid climates? -

-Plants in tropical climates would have fewer stomata because they would need to prevent the absorption of too much water from the atmosphere. -Plants in hot, arid climates would have fewer stomata because they would need to prevent undesirable water loss from the plant leaves.-Plants in hot, arid climates would have more stomata because they would need to release heat from the leaves to prevent dehydration.-Plants in tropical climates would have more stomata because they would need to absorb more water from the air than plants in arid climates.
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Tricia has a birthday party. During the party, she opened 36 gifts, which was 60% of all her gifts. After the party, she opened the rest of the gifts and found that 25% of them were the same present, so she returned all but one of the duplicate gifts. How many gifts did she return? What is the length of AC? And Length of AB? what is chemistry? How does Washington's account differ from thenewspaper account?When we came there, we were attacked by a partyof French and Indians, whose number, I ampersuaded, did not exceed three hundred men;while ours consisted of about one thousand threehundred well-armed troops, chiefly regularsoldiers, who were struck with such a panic thatthey behaved with more cowardice than it ispossible to conceive. The officers behavedgallantly, in order to encourage their men, forwhich they suffered greatly, there being nearsixty killed and wounded.Washington explains how the battle began.Washington identifies who attacked the Britishforces.Washington estimates the number of soldiers oneach side.Washington mentions that the officers tried torestore order to the British forces. The following are daily outputs from shift A and shift B at a factory.Shift A: {77, 91, 82, 68, 75, 72, 85, 65, 70, 79, 94, 86}Shift B: {68, 93, 53, 100, 77, 86, 91, 88, 72, 74, 66, 82}Q. Compare the means of the shift outputs. The workers in the shift with the highest mean will earn a bonus. Which shift will earn the bonus? Find the value of x in the given figure using properties of parallel lines. answers: A) 35 B) 15 C) 75 D) 105 The ratio of the same side interior angles of two parallel lines is 1:14. Find the measures of all eight angles formed by the parallel lines and transversal. Sorry! Would appreciate if you give the answer by Tuesday! Thanks How many complex numbers have modulus of 5? Help PLZZZ Describe the change in the graph of the parabola f(x) when it transforms into g(x) = two thirdsf(x).A The parabola g(x) will open in the opposite direction of f(x), and the parabola will be narrower than f(x). BThe parabola g(x) will open in the same direction of f(x), and the parabola will be narrower than f(x). CThe parabola g(x) will open in the opposite direction of f(x), and the parabola will be wider than f(x).D The parabola g(x) will open in the same direction of f(x), and the parabola will be wider than f(x). In January 2012, an investor purchased 400 shares of Engulf & Devour, a rapidly growing high-tech conglomerate. From 2012 through 2016, the stock turned in the following dividend and share price performance: Year Share Price Beginning of Year Dividends Paid during Year Share Price End of Year 2012 $39.26 $0.75 $49.022013 $49.02 $0.99 $63.452014 $63.45 $0.96 $61.06 2015 $61.06 $1.65 $44.232016 $44.23 $2.05 $111.07Required:On the basis of this information, find the annual holding period returns for 2012 through 2016. Length of DE is ___units.Length of DB is ___units.Measure of angle FED is ___degrees. Is Raisin Bran cereal with milk homogeneous How did the artist of the above painting attempt to elevate the portrait to a higher status?by using classical and mythological themesb. by including more technical aspectsby including linear perspective and vanishing pointd by adding a child to the paintinghPlease select the best answer from the choices providedABMark this and returnSave and Exit Which values for h and k are used to write the function f(x) = x2 + 12x + 6 in vertex form?h=6, k=36h=-6, k=-36h=6, k=30h=-6, k=-30 Write out Psalms 1:1 from the KJV Bible How are the project management processes that surround Scrum similar to and different to how the project management processes surround a project life cycle like SDLC (Waterfall)? Describe how the hybrid approach would make sense or not make sense for either your organization or an organization that you are familiar with. Find two numbers that differ by 8 and whose square roots differ by 1. Those two numbers are ___ and ____ What forces does an electrically charge object experience because of its charge? If the measure of angle 1 is (3x-4) and the measure of angle 2 is (4x+10), what is the measure of angle 2 in degrees?HELP !!!!!!!!!!!!!!!!!!!! Plz !!!!!! Write a word equation and symbol equation (including state symbols)for the reaction of calcium chloride with sodium hydroxide