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Travka [436]
3 years ago
10

Humans, crocodiles, bats, whales, and birds have similar limb bones. What do these similarities suggest?

Biology
2 answers:
Likurg_2 [28]3 years ago
5 0
B, because all have similarities, not just some
Lisa [10]3 years ago
3 0

Answer:

The correct answer is B.

Humans, crocodiles, bats, whales, and birds evolved from a common ancestor.

Explanation:

I just took the test so that is how I know, also if you look at all their structures they are similar and diffrent but they are diffrent because there bodies had to adapt to the food and place they were living in.

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When you’re in a cold place in December and you’re planning a vacation for February, are you interested in a location’s weather
Elanso [62]
I think you would be more interested in the location's weather than the climate because if you are wanting to get away from the winter cold for awhile then you would probably plan to go somewhere close to the equator, where it is warmer. A location's weather could be scattered or generally misinterpreted as weather can be random at times.
7 0
3 years ago
How do catalysts affect a chemical reaction?
pentagon [3]

Answer:

lower activation energy

brainliest is appreciated

Explanation:

Catalysts make such a breaking and rebuilding happen more efficiently. They do this by lowering the activation energy for the chemical reaction. Activation energy is the amount of energy needed to allow the chemical reaction to occur. The catalyst just changes the path to the new chemical partnership.2

4 0
3 years ago
A prescription for an isotonic enema is written for a 2-year-old child. what is the maximal amount of fluid the nurse should adm
ELEN [110]

If in the prescription written for a 2-year-old child for an isotonic enema, the amount of fluid to be administered is not precisely specified by the healthcare provider, the maximal amount of fluid the nurse should administer to the child is 255 to 360 mL

4 0
3 years ago
Which of the following is an example of cooperation among organisms?
klemol [59]

Answer:A

Explanation:

6 0
3 years ago
Please explain the difference between a frameshift mutation and a base substitution mutation.
harina [27]

Answer:

A frameshift changes every codon past it. A base substitution only changes one codon.

Explanation:

DNA is comprised of nucleotides (A, C, T, G) that make up amino acids. Every three bases is called a codon and represents an amino acid.

In a frameshift mutation, a nucleotide is either added or deleted from the sequence. This offsets the entire sequence after it because the reading frame shifts. Here's an example:

ACTGCTATCGTCATC

If another T is added in between the first and second codons, then every codon after will be changed.

ACT>T<GCTATCGTCATC

A substitution mutation is usually less severe, as it only alters one codon in the sequence. These occur when one nucleotide is replaced by another one. Here's an example:

ACTGCTATCGTCATC

Let's say the first G is replaced by a T.

ACT>T<CTATCGTCATC

As you can see, none of the other codons changed.

Typically, a frameshift mutation is considered worse than a substitution mutation.

7 0
3 years ago
Read 2 more answers
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