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Aloiza [94]
2 years ago
11

Answer these please (:

Biology
2 answers:
Marina CMI [18]2 years ago
6 0

Answer:

I thing the first one osmosis

Len [333]2 years ago
4 0
Osmosis is the correct answer!
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The cells of a puppy and the cells of a dog are the same size. Why is a dog larger?
Crazy boy [7]

Answer:

The Dog is has much more cells because it's bigger.

Explanation:

when a puppy grows up to be a dog, it gains more cells because it GROWS up and becomes bigger than the puppy's original size.

7 0
2 years ago
Which best represents a simple food chain?
4vir4ik [10]
Hey there!

Here is a simple food chain:

Grass >>> Grasshopper >>> Mouse >>> Owl

Hope this helps!

~Autumly
5 0
3 years ago
Suppose you observe a bird with a very broad and thick beak. You want to know why the bird’s beak is shaped that way. How could
Pie

All of them!! Just took the test.

3 0
3 years ago
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How would the contractile vacuole of a freshwater amoeba respond if the organism was placed in seawater
Sveta_85 [38]

Answer: Contractile vacuole of amoeba will shrink/contract when the organism is placed in sea water.

Contractile vacuole is a subcellular structure ( mainly found in protists) that is involved in the regulation of water quantity inside a cell.

As we know that water always flow from a hypotonic ( where solute concentration is less) to a hypertonic ( where solute concentration is more) solution. Sea water is a hypertonic solution as the concentration of salt is very high. Therefore, in this case, water will flow from contractile vacuole to outside of the organism.

Thus, contractile vacuole of amoeba will contract as it will lose water when placed in sea water.

8 0
3 years ago
There are three ways that natural selection can chnage a population. list all three of them AND then describe atleast 2 of them.
Gre4nikov [31]

Answer:

Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.

Explanation:

Evolution, in genetic terms, involves a change in the frequency of alleles in a population over time. What are the sources of genetic variation? Three sources of genetic variation are mutation, genetic recombination during sexual reproduction and lateral gene transfer.

6 0
3 years ago
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