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taurus [48]
3 years ago
6

If the upper atmosphere is very thin, why do space vehicles heat up as they enter the atmosphere

Biology
1 answer:
kupik [55]3 years ago
6 0
Even though the atmosphere is very thin, the space vehicle is pushing through a lot of pressure. 
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What shape do the replicated chromosomes look like in prophase of the original cell
-Dominant- [34]

Answer:

They look like X's (X shape)

Explanation:

The X shape are replicated chromosomes and are called the sister chromatids.

3 0
3 years ago
Please hurry!
Reptile [31]

Answer:

the grass is the producer, the snake is the secondary consumer, and the eagle (i think thats what the bird is) is the tertiary consumer

Explanation:

the grass is being produced so that one is obvious

the snake is the secondary consumer because it eats the bunny and the bunny consumes the grass. So the secondary has to be the snake

the eagle is the tertiary consumer because it eats the snake and like i stated before the bunny consumes the grass, then the bunny gets consumed by the snake, but the the snake gets consumed by the eagle.

hopefully this was helpful

8 0
4 years ago
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Explain the role of DNA and chromosomes in passing traits from parents to offspring?
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\huge\mathsf{\red{\underline{\underline{Answer}}}}

{\green{\dashrightarrow}}The main role of DNA in the cell is the long-term storage of information. This backbone carries four types of molecules called bases and it is the sequence of these four bases that encodes information. The major function of DNA is to encode the sequence of amino acid residues in proteins, using the genetic code.

4 0
3 years ago
The organisms most likely to belong to the same species are
Wewaii [24]

Answer:

C. People at a football game.

5 0
3 years ago
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Originally a marine species, stickleback fish now live in both marine and freshwater environments. Marine sticklebacks have pelv
alexandr1967 [171]

Answer: option c - in the coding region of the Pitx1 gene

Explanation:

Note that there is LACK OF SPINE, not the presence of defective spine; so, an heritable mutation must have occurred in the coding region of pix1 gene of freshwater sticklebacks resulting in absolute LACK OF SPINE

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