Openings on the underside of leaves that function in the exchange of gases are called

A. stomata.

B. sori.

C. guard cells.

D. cuticles.

The best way to determine if an athlete is consuming adequate kilocalories is to

18. Primary sex characteristics have to do with A. qualities such as beard growth in males. B. qualities such as breast development in females. C. the growth and function of the reproductive organs themselves. D.

The document asks about dependents because the number can affect who pays taxes. increase overall taxes. lower overall taxes. affect when to pay taxes.

The SI unit for force is the

Which is an inherited trait? A. flavor of an apple from a particular tree B. hierarchical status of a wolf in a pack C. ability to ride a bike D. interest in stamp collecting

The idea of organism changing over time to form new organism led to the theory of

Prokaryotic cells are distinguishable from eukaryotic cells because prokaryotes do not contain:

You and your colleagues are constructing a pedigree for a boy with cystic fibrosis. The individual's younger brother has also been diagnosed with cystic fibrosis.

Marine iguanas are found only on the Galapagos Islands. Which biodiversity pattern does this Which of the following statements correctly define evolution? A. Evolution is the rate at which an individual organism changes. B.

Electricity generated from water is called? a - hydroelectric power b - nuclear power c - fuel Power d - none of the aboves