Answer:El 35% es de America del Norte
Explanation:
Answer:
135%
Explanation:
Given
Europe = 35%
Asia = 10%
Australia* = 20%
North America = ?
To find
Europe + Asia + Australia =
35% + 10% + 20% = 65%
Then the total subtracted from the given
200 - 65 = 135
Therefore,
North America = 135%
Confirm
To make sure that is the correct answer, add it all together.
35 + 10 + 20 + 135 = 200
Which means it is correct.
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Answer:
D
Explanation:
What are two types of secondary succession?
-
succession, and
succession
Answer:
Fire. Fire is one of the most common causes of secondary succession and is an important component for the renewal and vitality of many types of ecosystem.
Harvesting, Logging and Abandonment of Crop Land.
Explanation:
1- After a fire, species start to recolonize an area, beginning the secondary succession process. The first species to colonize are usually fast growing herbaceous plants, such as conifers or ferns, which require high levels of light. These species are often already present in the form of seeds within the soil, or are able to rapidly disperse from nearby areas. In time, slow growing, shade-tolerant, woody species begin to suppress the early successional species, which are in-turn replaced or shaded by large trees, eventually leading to the generation of forests and a climax community.
2- The abandonment of land previously utilized for crops is a common cause of human-induced secondary succession. Land which has been intensively cultivated is often nutrient poor, with the nutrients having been repeatedly removed through harvest or logging. Agricultural processes also often leave the soil vulnerable to high levels of erosion. The abandonment of such land allows plants and animals that were previously unable to inhabit the area to colonize. Early succession of vegetation following the abandonment of farmland is responsible for increases in soil organic content, nutrient density and soil porosity. The addition of shrubs and of root systems within the soils, which follow in later succession, acts as a natural barrier against erosion, thereby allowing for restoration of degraded habitats.
Secondary succession is a type of ecological succession in which plants and animals recolonize a habitat following a significant disturbance, such as a devastating flood, wildfire, landslide, lava flow, or human activity.
Thus, Primary succession, in which a biological community emerges where none previously existed, is distinguished from secondary succession.
Where a disturbance did not completely wipe out all life and nutrients from the environment, secondary succession occurs.
Despite the fact that fire, flooding, and other disturbances can leave a landscape in ruins, drive many animals and plants away, and bring the biological community back to an earlier stage, the habitat is still alive because the soil still contains nutrients and seeds that were sown before the disturbance and animals.
Thus, Secondary succession is a type of ecological succession in which plants and animals recolonize a habitat following a significant disturbance, such as a devastating flood, wildfire, landslide, lava flow, or human activity.
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Using this model sample as a guide ,create a molecular clock model use the flowchart tools in your word processing program to make your model.Make sure the mutations are clearly visible in the strand.Consider using a different font color limitations use insert image button to insert a screenshot of your model in the answer space provided
Answer:
part 1 of this question is 17.1/.76=90
90/x
x=4
90/4=22.5
22.5 mil years for one full base pair mutation to occur
Explanation:
this is the model for part 2
Will do what ever it takes
Which of these factors is used to classify the different organisms on Earth into Kingdoms (such as protists, fungi, plant, animals, and bacteria) ?
I Number of cells in the organism
II How the organism obtains energy
Question 15 options:
I only
II only
I and II
Answer:
II only
Explanation:
Which of the following correctly pairs an organ that functions in two different organ systems?
Skin integumentary system and immune system
Stomach: digestive and skeletal
Bone: skeletal and reproductive
Kidney: excretory and respiratory
The skin integumentary system and immune system are pairs of an organ that functions in two different organ systems.
How do the Skin integumentary system and immune system work together?The skin and other parts of the integumentary system work with other organ systems to maintain homeostasis. The skin works with the immune system to defend the body from pathogens by serving as a physical barrier to microorganisms.
Thus, the skin integumentary system and immune system are pairs of an organ that functions in two different organ systems.
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Question 4
DNA is composed of two chains with nitrogenous bases that are complementary to one another. If a portion of a DNA strand reads ATC CGG AAT, then what would be the complement
portion of DNA?
Your answer:
O ATG GCC AAT
O TAG GCC TTA
O ATC CGG AAT
OTAC GGC TTA
Clear answer
Back
Next
Answer:
O TAG GCC TTA
Explanation:
A goes with T
C goes with G
Switch each of the letters with it's complementary letter and you get TAG GCC TTA
Clownfish, sea anemone, coral, sea urchins, sponges, and parrot fish are just a few examples of the large variety of organisms that can be found in a coral reef. The coral reef and its inhabitants are suffering due to several factors such as pollution, coastal development, sedimentation and destructive fishing practices. What would be the most likely result if some of the species in the coral reef are destroyed? Other organisms would move into the coral reef area The coral reef would be allowed to flourish without so many fish and plants living in and around it. The coral reef would begin to deteriorate without the variety of fish and plants necessary to maintain balance. The waters surrounding the coral reef will become cool with the decreasing number of organisms living there
Answer:
The coral reef would begin to deteriorate without the variety of fish and plants necessary to maintain balance
Explanation:
Fossils in _______ layers of rock are generally estimated to be _______ than fossils found in the deeper layers. (3 points)
older, younger
newer, younger
older, older
newer, older
Answer:
Answer number 2
Explanation:
So in Geology, Precipitation of rock layers took place over the last hundreds of millions of years...During that process many living organisms have died and are precipitated with the rock layers... Let me explain with an example.
Dinasours went extinct Million years ago while the Dodo bird went extinct a couple of hundred years ago
Would you expect to find Dinasour fossils in newer rock layers or the dodo? lets's say 200m deep? Dodo for sure, Dinasour fossils are waay too old to be found at such shallow deeps that's why fossils in newer layer of rocks are absolutely younger than fossils found at deeper layers
Enter the correct term in the blanks.
a. The circulatory system is made up of the heart plus all of the _______________________ and ___________________________________.
b. When we breathe, a large muscle called the _____________________ helps us draw oxygen into our lungs.
c. The ___________________________ filter our blood.
d. The right side of the heart pumps blood only to the ______________________ .
e. The human heart has _______________ chambers.
f. The top chambers of the heart are each called the _________________.
g. The bottom chambers of the heart are each called the ___________________ .
h. The liquid part of the blood is called ___________________________ .
i. The _________ system breaks down food for the body's cells.
j. Digestion begins in the ____________________with the teeth and _____________.
k. The liver produces ____________________, which acts on fat.
l. The ___________________ system is the body's garbage service.
m. The _________________________ are the main excretory organs.
Answer:
a. veins and arteries
b.diaphragm
c.kidney
d.lung
e.4
f.left auricle(atrium) , right auricle(atrium)
g.left ventricle, right ventricle
h.blood plasma
i.digestive
j.buccal cavity ,saliva
k.bile
l.excretory
m.kidneys
Explanation:
Explain what happens to heat during the Greenhouse effect. Why does this happen?
What are the consequences?
Answer:
The greenhouse effect is a natural phenomenon that causes the surface of the Earth to steam. When sunlight strikes the Earth's atmosphere, part of it is reflected back to space, while the remainder is absorbed and re-radiated by greenhouse gases.
Explanation:
Hope this helps!
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6 Where is urea made?
А
bladder
B kidney
с
liver
D urethra
Answer:
c liver
Explanation:
There are several factors that lead to genetic variation in organisms. Which of the following is NOT one of those factors?
Answer:
The correct answer is - A. Producing offspring that are genetically identical to the parents
Explanation:
Genetic variation is the difference between the population or individual on a genetic level. If there is a change in the DNA of individuals or among the population, it is genetic variation in these organisms.
There are several factors that result in genetic variation such as random mating, random fertilization, mutation, crossing over during meiosis, and many more. Producing genetically identical offspring to the parents is not a factor as there is no variation is taken place on the genetic level.
What is the significance of a global mean=53?
Answer:
Global Warming i Think.
Explanation:
Explain the process of gas exchange in humans
Answer:
During gas exchange oxygen moves from the lungs to the bloodstream. At the same time carbon dioxide passes from the blood to the lungs. This happens in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.
Explanation:
What does the S phase of interphase have to do with DNA replication?
Answer:
The sister chromatids remain joined together until mitosis, when they segregate into two daughter cells.
Explanation: i am sorry if this is wrong
help!! i will give brainluest to the right answer
Answer:
there will be more sea urchins and that will affect the giant kelp and the giant kelp will decrease because there are too many kelps
Explanation:
hope this helps!
1.Explain 1 -2 biological benefits that photosynetic plants aboard the ship could provide to the crew.
2. Suggest 2. -3 important considerations and/or measures that the crew should take to ensure the plants ability to survive and photosynthesize. Justify your ideas by explaining why they are necessary.
Can someone please help me on this?
Answer:
Provide food stuff and oxygen.
Explanation:
Making of food and supply of oxygen are the two biological benefits that photosynthetic plants provide to the crew of the ship. The plants make their own food for itself as well as for other organisms and also release oxygen that is produced in the process of photosynthesis. The crew should placed the plants in the sunlight and provides water daily in order to survive and photosynthesize. The sunlight and water are very important because sunlight opens the stomata through which carbondioxide gas enters into the leaves which combines with the water forming glucose and oxygen. Glucose is stored in the plant body whereas some oxygen is used by the plant during respiration and the extra is released in the air through stomata.
What proportion of each parent plant's genetic material does each offspring plant have?
Answer:
Each gamete comprises half of the organism's chromosomes, or genetic material. As a result, each sperm carries 50% of the father's genes and each egg carries 50% of the mother's genes. This distinguishes gametes from other cells in the body.
Explanation:
11) The diagrams show the developing embryos and the adult forms of various types of animals with backbones.
Answer:
C
Explanation:
Looking at each embryo at the begining you can tell they are very similar, in fact its almost impossible to tell the difference. this tells us that they have a common ancestor because the orignal cells of the embryos are so similar
Water, while beaker b has 50 ml of water. B. State the beaker which is going to require more time to reach room temperature, explain your answer
Answer:
The beaker has more water.
Explanation:
The beaker which has more water takes more time to reach the room temperature because it has more surface area than other one. If a body has less surface area then it will lose heat energy quickly and to reach its room temperature as compared to the body that has more surface area. Heat transfer depends on the materials in which it is placed and the surrounding environment. In some materials conduction of heat occurs quickly as compared to other materials.
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The largest group of invertebrates is the arthropods, including spiders, lobsters, dragonflies, ants and ladybugs. Even though these animals seem so different, they all have which of the following common characteristics?
Question 21 options:
Three body sections, six legs, and wings
Soft body and a shell
Exoskeleton and segmented body
Tube feet and spines
Answer:
exoskeleton and segmented body!
Explanation:
PLEASE HELP ASAP THE QUESTION IS IN THE PICTURE
THE ANSWER CHOICES ARE:
the highest values for each of the graphs
the average temperature range
the average monthly precipitation
a combination of all the data on the graphs
Answer:
I would say, a combination of all the data on the graphs
Explanation:
I hope this helps!
How does population growth Affect mineral resource extraction
a. Higher population lower mineral extraction
b. Does not effect extractions
c. Higher population more mineral extration
d. Lower population more mineral extraction
Answer:
b.
Explanation:
does not effect extractions
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Answer:
the zooplankton would increase
Explanation:
there are not vary many salmon to eat the zooplankton
Which of the following statements is true about the DNA inside your cells?
Answer:
where is your statement
State the difference between poultry and poultry keeping
Answer:
I don't know what Poultry keeping is but Poultry is the group name for all domesticated birds used for meat, eggs, or feathers. Poulry are also referred to as birds and fowl. These birds have wings, backbones, and feathers; some can even swim.
Explanation:
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The loss of water in a plant occurs through the ______by the process of _________
A-Roots:Osmosis
B-Flower;Evaporation
C-Stomata:Transpiration
D:Stem:Transpiration
Answer:
Transpiration through stomata
What is kepler-36's life expectancy?
Binomial nomenclature refers to the method of naming species
with two names, consisting of the____
name and___
name.
Answer:
Genus and species
Explanation:
Binomial nomenclature refers to the method of naming species with two names, consisting of the genus name and species name.
What is Binomial nomenclature?
A binomial system of naming a species is known as binomial nomenclature. A binomial name has two components. They are the particular name and the generic name (genus name) (or specific epithet, in botanical nomenclature).
It frequently takes a Latinized form. Similar terms include binary nomenclature, binominal nomenclature, and two-term naming systems.
Binomial nomenclature, which assigns a single, distinctive name identifier for a particular species across several languages, is crucial for integrating the naming system across life sciences.
Therefore, Binomial nomenclature refers to the method of naming species with two names, consisting of the genus name and species name.
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What are two common pollutants?
