By studying pea plants, Mendel concluded that traits of all organisms are passed from parents to offspring. This passing of traits onto offspring is called

the correct answer is:

a population changes in response to a change in the environment.

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation:

i think that it is plants

i'm guessing this is from edg enuity so the answers would be, from top to bottom,

theodor schwann

matthias schleiden

robert hooke

rudolph virchow

anton van leeuwenhoek