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lisabon 2012 [21]
2 years ago
13

How does the fossil record show that species change over time

Biology
1 answer:
Tasya [4]2 years ago
3 0

It shows the evolution of an being. "Fossil record, history of life as documented by fossils, the remains or imprints of the organisms from earlier geological periods preserved in sedimentary rock." from https://www.britannica.com/science/fossil-record

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What are the adoption of characteristics of aquatic plants?​
ivolga24 [154]

Answer:

Aquatic plants have adapted in a number of special ways in order to cope with their environments. There are many kinds of aquatic plants, each with distinct adaptive characteristics; these plants may be either entirely floating, submerged or partially submerged, as in the case of many swamp and wetland plant species.

I THINK

8 0
3 years ago
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How does the destruction of T cells interfere with the body’s ability to fight disease?
maria [59]

Answer:

Explanation:

T cells are arguably the most important cells in  immunity, as they are required for immune responses. They not only help activate B cells to secrete antibodies and macrophages to destroy ingested microbes, but they also help activate cytotoxic T cells to kill infected target cells. As dramatically demonstrated in AIDS patients, without helper T cells we cannot defend ourselves even against many microbes that are normally harmless.

8 0
3 years ago
In cabbage butterflies, white wings are dominant to yellow wings.
FromTheMoon [43]

Answer:

- Genotypes: 50% (Ww) and 50% (ww)

- Phenotypes: 50% will have white wings, and the other 50% will have yellow wings.

- Percent chance: 50% (heterozygous - Ww - yellow) and 50% (homozygous recessive - ww - white)

Explanation:

To answer this question, we make a Punnett square which looks like this:

You cross a heterozygous butterfly (Ww) and a homozygous recessive butterfly (ww), and it gives you:

Ww ww

Ww ww

As you can see from this Punnett square, 2 out of 4 have Ww, which makes it heterozygous and since they have the dominant W trait on them, they result to have white wings. The other 2 have yellow wings, since they have only w on them (recessive trait). Calculate percentages, you get 50% Ww and 50% ww.

7 0
3 years ago
In the white ovals on the map, sraw the directions and path of the winds that occur at those locations on Earth.
slega [8]
I'm not sure, but I think It's in the middle of the directions
5 0
3 years ago
In which sealed container would the organisms be able to continuously cycle O2 and CO2 gases?
Levart [38]
The correct answer is C.
In the aquarium, the water plants would provide the O2 molecules necessary for the snail's metabolism and the snail would release the CO2 molecules that are a byproduct of his metabolism into the container. The CO2 would later be used by plants to make sugar in the process of photosynthesis, releasing more O2 and the cycle of two gases would be completed.
3 0
3 years ago
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