Increasing the size or number of cells through the process of growth removing waste products like carbon
dioxide and water from the organism through the
process known as...
a. Excretion
b. Digestion
c. Circulation
d. Respiration

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases