From what I know this could be wrong, but in the four stages of natural selection, the first step is overproduction, the second step is adaptation, and the third step is competition or survival of the fittest. This means that only the organisms with the best adaptations for their surroundings will survive. COULD BE WRONG SORRY IF IT IS

7 0

2 years ago

Please help, i’ll mark brainliest to the first answer.

Otrada [13]

Answer:

pulmonary artery, so option 4

Explanation:

5 0

3 years ago

Read 2 more answers

When an individual stops breathing, brain cells die very quickly, but the cells in the heart are able to survive for longer. Whi

tino4ka555 [31]

Answer:

because the blood in the heart gets what's left of oxygenated blood first. first come first serve concept. the heart cells survive longer because they have oxygenated blood longer and more frequently. if the person is not breathing the oxygen in the blood might run out by transferring to cardiovascular cells before it gets to the brain.

Explanation:

8 0

3 years ago

In Labrador retrievers some puppies have pink noses and some have black. Labrador retrievers with black fur almost always have b

rewona [7]

This is the gene cycle and if their mother has different gene then that will happen.

3 0

3 years ago