Answer:
Selective breeding is when humans use animal breeding and plant breeding to create phenotypic characteristics by picking which animal or plant genders will reproduce together.
Explanation:
hope this helped!
Answer:
A
Explanation:
Cardiovascular diseases involves the heart.
Any of the above options with regards to blood (etc, white blood cells, red blood cells) are related to circulatory system, not affecting the function of the heart.
Stem cells performing apoptosis to remove old cells is a myth. Stem cells can only differentiate to form cells of the same lineage, not causing other cells to undergo apoptosis. The only external factor that can cause cells to undergo apoptosis is a type lymphocyte in the immune system
More butterflies are spotted in warmer temperatures. There is an increase of butterflies spotted when the weather gets warmer.
Answer:
All living things can breathe air
Explanation:
Fishes dont breathe air, and yet theyre very much living things.
Answer:
the heart it is because the heart beats and it goes up and down
