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Viktor [21]
3 years ago
8

How does the idea of a common ancestor help support the theory of evolution?

Biology
1 answer:
Alenkinab [10]3 years ago
8 0
It supports it by saying that there was once only one mammal but then it reproduced and since different places have different climates they adapted or evolved to the climate changing their form and shape.
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A cell is placed in a hypertonic solution. Which will most likely occur as homeostasis is maintained in the cell?
sweet-ann [11.9K]

Answer:

B the cell will lose water

Explanation:

Because of the hypertonic solution water will move on the concentration gradient leaving the cell and entering the solution. Thus the cell looses water.

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3 years ago
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Billis examining a window that has a hole in it. He notes that the hole is bigger on the outside of the window. What will he con
katovenus [111]

Answer:

Because the hole in the window is larger on the outside, Bill concludes that  

there was an impact from outside the house with an object such as a stone

He  can also infer that the object that went through the glass has a pointed shape whose tip first crossed the glass

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3 years ago
What would happen if u place a cell in a container of water with high solute concentration?
Dmitriy789 [7]

Answer:

Large quantities of water molecules constantly move across cell membranes by simple diffusion, often facilitated by movement through membrane proteins, including aquaporins. In general, net movement of water into or out of cells is negligible. For example, it has been estimated that an amount of water equivalent to roughly 100 times the volume of the cell diffuses across the red blood cell membrane every second; the cell doesn't lose or gain water because equal amounts go in and out. There are, however, many cases in which net flow of water occurs across cell membranes and sheets of cells. An example of great importance to you is the secretion of and absorption of water in your small intestine. In such situations, water still moves across membranes by simple diffusion, but the process is important enough to warrant a distinct name - osmosis.

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What are the functions of leaves? (Select all that apply.) absorb nutrients absorb carbon dioxide release oxygen perform photosy
OverLord2011 [107]

Answer:

perform photosynthesis and release water vapor store water and glucose

absorb carbon dioxide

release oxygen

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The primary function of the leaf is the conversation of carbon dioxide, water and UV light into sugar (glucose) and oxygen.

Transpiration refers to the evaporation of water via the leaves.

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