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Rama09 [41]
3 years ago
9

Which adaptation helps polar bears maintain a constant internal temperature (thermal homeostasis) in cold weather?

Biology
2 answers:
storchak [24]3 years ago
6 0

Answer: clear thick fur

Explanation:

vekshin13 years ago
6 0

Answer:

blubber

Explanation:

took the test :)

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Solnce55 [7]

Answer:

12 is c

Explanation:

Thats all I know

5 0
3 years ago
Explain the law's of segregation and independent assortment.
VikaD [51]

I hope this helps.

Explanation: The law of segregation states that the two alleles of a single trait will separate randomly, meaning that there is a 50% either allele will end up in either gamete. This has to do with 1 gene. The law of independent assortment states that the allele of one gene separates independently of an allele of another gene.

7 0
3 years ago
Read 2 more answers
The adrenal medulla is considered a "misplaced" sympathetic ganglion by some. the adrenal medulla is considered a "misplaced" sy
Furkat [3]
This statement is true.
Some scientist refer to the adrenal medulla as a 'misplaced' sympathetic ganglion because <span>embryologically, they arise from the same tissue. As the name itself says, the adrenal medulla is located within the adrenal gland, and represents its central part. </span>
8 0
3 years ago
Refer to the metabolic pathway illustrated above. If A, B, and C are all required for growth, a strain that is mutant for the ge
loris [4]

Question:

A---enzyme A------>B----enzyme B------>C

Refer to the metabolic pathway illustrated above. If A, B, and C are all required for growth, a strain that is mutant for the gene-encoding enzyme A would be able to grow on medium supplemented with _____.

A) nutrient A only

B) nutrient B only

C) nutrient C only

D) nutrients A and C

Answer:

B) nutrient B only

Explanation:

The mutant has a mutation in the gene that codes for the enzyme A. Therefore, this mutant would not be able to convert the substance A into B. Without the presence of substance B, the final product can not be formed. However, if the mutant is supplemented with the substrate "B", it can convert the B into the final product (substance C). Therefore, the mutant would be able to grow in the medium to which the already prepared substance B has been added.

8 0
4 years ago
1. What is the main purpose of binary fission? *
andrey2020 [161]

Answer:

Answer A or B

Explanation: I say its a or b because if your in biology then this would mostly likely be your answer. Also when for one two daughter cells would usually go for sperm and egg cells but at the same time binary fission can be used for making for bacteria. If it were me i would choose B, but test your luck.

8 0
3 years ago
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