The female reproductive and endocrine systems work interactively for which main purpose? A. To control hormone levels to prepare the body for pregnancy

B. To maintain homeostasis by removing waste products from the body

C. To release neurotransmitters during times of stress

D. To exchange gases to support cellular aerobic respiration

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

Which greenhouse gas is emitted when burn fossil fuels for energy? a.nitrogen b.oxygen c.carbon dioxide d.helium

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna