What is evolution and natural selection?

Answers

Answer 1
evolution: When a series of organisms changes characteristics over many generations

natural selection: when organisms adapt to their environment so they can reproduce better

Related Questions


1. Which of the following serves as the passageway of eggs from the ovary to
the uterus?
a. Vagina
b. Uterus
c. Oviduct
d. Ovary​

Answers

Answer:

in a human? its D or C...

Explanation:

actually fallopian tubes... but i think it’s C which is oviduct

By measuring the height of the tortoise, this scientist is gathering what?

a.) independent variables.
b dependent variables.
c.) quantitative data.
d.) qualitative data.

Answers

C.) Quantitative data

The larvae of potato beetles cover themselves in their own feces to avoid being consumed by predators. What system produces feces?

Answers

Answer:

Explanation below

Explanation:

Hemisphaerota cyanea, also known as the palmetto tortoise beetle, is a type of leaf beetle that cover themselves with their own feces, just to persuade most predators to pass them by. This form of outrageous defense, developed by the crafty beetle, was discovered by biologists at the Cornel university.  

The feces comes out of the hindgut of the beetle, fashioned like golden strands, which can be used to protect the vulnerable body of the beetle.  

Find the area of the triangle.
18 ft
17 ft
The area of the triangle is
fta.

Answers

Answer:

area is add so 17+18 is 35 ft

17+18=35.. that’s the answer

How is secondary succession different from primary succession?

Select one:

Secondary succession occurs after a disturbance in an area that was
previously uninhabited.

Secondary succession occurs when animals are introduced to an area that
had only plants.

Secondary succession occurs after a disturbance in an area in which the soil
has remained intact.

Secondary succession occurs over a longer period of time than primary
succession.

Answers

Answer:

Secondary succession occurs after a disturbance in an area in which the soil

has remained intact.

In class, a student creates an image showing part of the process of protein synthesis.
What occurs in the cell to create the strand of mRNA needed before translation can occur?

Answers

Answer:

Yo the answer is A

Explanation:

Whale
Frog
Horse
Lion
Human
Bat
Bird
R
1. The image above represents an example of what type of homologies?
a. Vertebrate homology
b. Molecular homology
C. Biogeographical homology
d. Anatomical homology

Answers

Answer:

D. Anatomical homology

Explanation:

Anatomical homology is the similarity between organisms


Write a balanced chemical equation between
potassium hydroxide and
hydrochloric acid.​

Answers

Answer:

HCl + KOH = KCl + H2O

Explanation:

i am not sure if I got it right, but I think this is a balanced equation

A group of atoms bonded together is a molecule.

A. True
B. False

Answers

Answer:

A. True

Explanation:

A group of two or more atoms that are chemically bonded together is known as Molecule

-TheUnknownScientist

is Bacteria used in photosynthesis.

Answers

Answer:

They carry out oxygenic photosynthesis i.e, they use water as an electron donor and generate oxygen during photosynthesis. Their photosynthetic systems closely resembles to that of eukaryotes: These bacteria use Phycobilins as accessory pigments. CO2 in these bacteria is assimilated through calvin cycle.

Explanation:

Answer:

NO

sorry there is no explanation

Describe an experiment to show that
Shoots are positively phototrophic.​

Answers

Answer:

A well-watered potted plant is placed inside the box. If the window is kept closed for about 24 hours the plant shows normal growth. If the window is kept open, it is found after two days that the shoot tip bends and grows towards light proving that it is positively phototropic.

Explanation:

Hope this helps! Brainliest pls?

how are bacterias different from animals ?

Answers

Answer:

Bacteria are neither animals nor plants.... Because bacteria are prokaryotic, they do not have a nucleus and no membrane-bound organelles. In contrast, plants and animals are made up of eukaryotic cells, which means they have a nucleus and membrane-bound organelles like mitochondria or golgi apparatus.

Explanation:

Answer:

Bacterias have simple cells and are typically single cell organisms where as animals which have more complex cells are are multi celled organisms UwU

HOPE THIS HELPS

-Todo <3

Explanation:

where does respiration take place?​

Answers

Answer:

Mitochondria

Example:

Respiration takes place in the mitochondria of cell in the presence of oxygen which is called aerobic respiration.

A producer is also called a(n)

A. autotroph

B. heterotroph

Answers

I believe the correct answer is A. autotroph

Answer:

A. autotroph

Explanation:

Hope this helps

On East Africa's Serengeti Plains, herbivores migrate across this area following what?
nuts
grasses
rivers
berries

Answers

Answer: Grasses! The north and west crossing the Grumeti River, There where more grass.

What is a modified stem?

A stem that grows underground.

A stem that does not produce leaves.

A stem that bends back toward the ground.

A stem that grows bark.

Answers

Answer:

A rhizome is a modified stem that grows horizontally underground and has nodes and internodes. Vertical shoots may arise from the buds on the rhizome of some plants, such as ginger and ferns. Corms are similar to rhizomes, except they are more rounded and fleshy (such as in gladiolus).

Explanation:

more simple,  a stem that grows underground :)

An animal with no natural enemy is a ____________.

Answers

Answer:

predator or a.pex predator

An animal with no natural enemy is an apex predator. Apex predators are also known as top predators or alpha predators.

They are species that reside at the highest level of the food chain within their ecosystems. They have no natural predators and primarily feed on other animals. Apex predators play a critical role in maintaining the balance and functioning of their respective ecosystems.

These predators are often characterized by their exceptional hunting skills, agility, strength, and ability to control the populations of their prey. They exert top-down control on the food chain by keeping the populations of lower-level consumers and herbivores in check, which in turn has cascading effects on the entire ecosystem. Thus, apex predators have no natural enemies.

Learn more about apex predators, here:

https://brainly.com/question/14810553

#SPJ6

What leads to the likelihood that that there are successful traits in an ecosystem that will allow organisms to survive and reproduce in changing conditions?
A. less biodiversity
B.smaller food webs
C.greater biodiversity
D.specialist consumers​

Answers

Answer: I think it’s C

Explanation: more biodiversity, the more reproduction and success.

Greater biodiversity leads to the likelihood that there are successful traits in an ecosystem. Therefore, option (C) is correct.

What is biodiversity?

Biodiversity refers to the variety of species and the genetic diversity within those species that exist within an ecosystem. When an ecosystem has high levels of biodiversity, there is a greater chance that at least some species will have the traits necessary to survive and reproduce in changing conditions.

Organisms with successful traits in one set of conditions may not necessarily have those same traits in different conditions. Therefore, a diverse range of species with various sets of traits increases the likelihood that some of those traits will be beneficial in different conditions.

Learn more about biodiversity, here:

https://brainly.com/question/13073382

#SPJ6

Do you think the organisms in image 3 support the theory that modern organisms evolved from ancestral organisms? Explain your answer.

Answers

Answer:

occurs when these heritable differences become more common or rare in a population, either non-randomly through natural selection or randomly through genetic drift.

Answer:Yes, the organisms in image 3 support the theory that modern organisms developed from ancestral organisms. The two organisms share similar body structures and traits. So, there will be similarities in their genes, and they’ll share an evolutionary connection.

Explanation: Edmentum answer

Necesito ayuda Comparaciones del sistema digestivo de los animales: Rana, tiburón, gallina, vaca e iguana

Answers

Answer:

The digestive system of Frog, shark, chicken and cow are the following:

Explanation:

The digestive tract of frog is divided into foregut that consist of esophagus, stomach, duodenum, liver, pancreas, gall bladder and midgut/hindgut where intestine is present. The digestive system of frog comprise of oral cavity, pharynx, esophagus, stomach and intestine. The digestive system of chicken consist of beak, crop, proventricular, ventriculus, small Intestine, large Intestine and Cloaca. The digestive system of cow comprise of mouth, esophagus, rumen, reticulum, omasum, abomasum,  small intestine and large intestine.

Describe the structure of the study independent variables , dependent variables and detail why the researchers would have used random allocation.

Answers

Answer:

To reduce systematic error.

Explanation:

The researchers would have used random allocation in order to decreases systematic error in the experiment. If we don't apply random allocation to the experiment, there is high chances of systematic error in the experiment and the result is not of high quality. Independent variables is a type of variable whose variation does not depend on another factor while on the other hand, dependent variables is a type of variable whose variation depend on another factor.

What are the similarities and differences between phototropism and gravitropism?
NEED HELP ASAP

Answers

Answer:

phototropism is (biology) the movement of a plant towards or away from light while gravitropism is (biology|botany) a plant's ability to change its growth in response to gravity

Which of these most likely explains why the bacteria population stopped
growing?

A. The bacteria came in contact with a virus that killed off the population.

B. The bacteria could not produce any longer because the population was too large.

C. The bacteria competed for nutrients and died after all of the nutrients were
consumed

D. The bacteria evolved into another organism.

Answers

Answer:

C. The bacteria competed for nutrients and died after all of the nutrients were

consumed

Explanation:

Since no other materials were added, this option makes the most sense.

Which are characteristics of all bacteria? Check all that apply. NO LINKS

1. They lack a nucleus.

2. They have a nucleus.

3. They eat other organisms.

4. They make their own food.

5. They are eukaryotes.

6. They are prokaryotes.

Answers

Answer:

1. They lack a nucleus

4. They make their own food

6. They are prokaryotes

Explanation:

What do you think the offspring of a green alien and pink alien will look like?

Answers

Answer:

of the parents' characteristics will appear in the offspring, but the characteristics that are more likely to appear can be ... o If you had the ability to genetically engineer your alien baby (choose its traits),

what did the sparks in miller and urey's experiments simulate

Answers

Answer:

That Molecules could be produced under reducing conditions.

Explanation:

What is the abiotic energy source for all ecosystems? A. Sunlight B. Plants C. Animals D. Air

please helllppp​

Answers

Answer:

A. Sunlight

Explanation:

Answer:

A. Sunlight

Explanation:

It is A because sunlight is nonliving, and an energy source (producer).

HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP

Answers

I think it would be A

When a strip of zinc metal is added to a test tube of hydrochloric acid, the liquid forms bubbles, and the test tube feels hot. The bubbles are a result of the formation of hydrogen gas. What does the hot test tube indicate?
A.
Hydrogen gas absorbs heat.
B.
The reaction releases heat.
C.
A chemical change has been reversed.
D.
The reaction absorbs heat.

Answers

I’ll jhxhfbfkdksbsvskzosbsvdjxosbdvdhfofbf

- Explain the relationship between group behavior, an organism's survival, and the change in a species over time.
- Formulate one scientifically testable question related to the affect of group behavior on an individual's survival.
- What evidence could be used to support a claim that answers your scientifically testable question?​

Answers

Answer:

https://www.nap.edu/read/5787/chapter/6

https://www.nature.com/scitable/knowledge/library/how-does-social-behavior-evolve-13260245/

Explanation:

I hope that it will be helpful

Other Questions
Please help.You will get brainliest. HELP ME PLZ!!!!! .................................. a)For the last 200 million years the amount of carbon dioxide in the atmosphere hasremained almost the same.Describe the natural processes which remove carbon dioxide from the atmosphere.To gain full marks in this question you should write your ideas in good English,Put them into a sensible order and use the correct scientific words. PLEASE HELP thank u very muchMartina designed a painting for art class, as shown in the drawing below. Her design contains 4 circles on a square canvas. Each circle has a radius of 6 inches. The circles touch the edges of the canvas and each other, as show below. The shaded section of Martina's design will be painted black. Which is closest to the area that will be painted black? Which of the following equations has infinitely many solutions? A. 2x + 5(2x + 6) = 12x + 30 B. 2x + 5 = 2 C. 2(x + 5) + 2 = 6x + 2(x + 2) D. 5x + 2 = 2x + 6 Which two words have the same vowel sound.Choose two correct answers.a. strawb. clothesc. broughtd. laughse. guess Which sentence demonstrates CORRECT pronoun use? A. The tour guide was very friendly, and he even offered to take Ron and myself on another tour for free. B. Please don't take that camera with you because it belongs to myself; I must have left it here by mistake. C. Janice bought a birthday present for herself just to be sure that she got what she wanted. D. Howard, Irene, and myself were the only people standing at the bus stop on Monday morning. 2. Which is an example of interspecific competition?blue jays eating seeds from my bird feederwhite-tailed deer looking for food in a fieldpolar bears praying on seals in the artic oceansquash outgrowing lettuce in my garden Audrey measures the distance around the lid of her aquarium. The pictureshows the shape of the lid. If the perimeter of the lid is 56 inches, what is themissing side length? .On May 1, 2012, Noah Unlimited issues 9%, 20-year bonds payable with a maturity value of $200,000. The bonds sell at 103 and pay interest on May 1 and November 1. Noah Unlimited amortizes bond premium by the straight-line method. What was one reason Thomas Edison was so productive? Which is the best way to write the followingsentence?Swimming in the new suits.Click for the passage, "New Swimsuits."A. In the new suits swimming even faster thanbefore.B. Even swimming in the new suits.C. Swimmers enjoy swimming in the newsuits.D. Swimming in the new suits tested by NASA. You decide to fly over to Fred Meyers using your jet pack but during your vertical ascent you drop your wallet. If your wallet is dropped when you are ascending at a constant speed of 6 m/s and the wallet is released with the same upward velocity of 6 m/s when t = 0. Determine the speed of your wallet when it hits the ground at t = 8s. Also determine the altitude of your jet pack. Mitchell Corporation bought equipment on January 1, 2017. The equipment cost $300,000 and had an expected salvage value of $50,000. The life of the equipment was estimated to be 6 years. The depreciable cost of the equipment is Do creative people make better teachers? Ten teachers at a large university were given a creativity test (scores range from 0 to 20, with higher scores indicating greater creativity) and were evaluated regarding teaching performance by students and peers (a score of 100 indicates an average performance, and larger scores indicate better performance). The creativity scores and teaching performance scores are given below. Genny is arranging flowers in vases for every 1 rose shes uses 6 tuilps .How many tulips would she use for every 5 roses What happens during a stagflation?O Both prices and demand are low.O Both prices and demand are high.O Prices are low, while demand is high.O Prices are high, while demand is low. qual a funo dos advrbios no portugus ? miss Nikita age -27 year taxable income is 582000 pay how many income tax on taxable income The cost table shows the average cost, a(x), ofproducing x number of earbuds.When verifying that a function represented in anothertable is the inverse of the given cost function, whichordered pair can be expected?2 20a(x) 5225 3067.5 84O (20, 20)O (52, 20)O (20,52)O (52,52)