What is the 1st cell of an animal ?

Fill in the blank:

In a                   ___ environment, both animal and plant cells ___                             ___ as the water

moves                     the cell through the process of                       , Animal cells would die. In plant

cells this process is called plasmolysis, or the plant cells are                            ___ (shrink) - this is when

the plasma membrane pulls away from the cell wall, as excess water goes out of the cell. The cell wall protects

the plan cell from dying right away and they can go back to normal when the concentration of solutes is lowered on 

the                         ___ of the cell. When this happens, the water will move from a ___    solution 

towards a ___                             solution through the process of ___                ___.

A scientist discovers a fossil of an animal, and place is it in the fossil record. The organisms bones are similar to the bones of animal tea, which appears earlier in the fossil record, which conclusion is most reasonable.

A. the fossils are from a descendent animal of T,

B. The fossils came from the same organism.

C. The fossils are from animals that lived at the same time.

D. The fossils are from an ancestor of animal T.

Which of these are the two major sources of nitrate pollution in rivers?

a. the burning of fossil fuels by factories and cars

b. animal wastes and the burning of fossil fuels by cars

c. animal wastes and fertilizers

d. fertilizer runoff and the burning of fossil fuels by cars

e. animal wastes and the burning of fossil fuels by factories