Use the drop-down menus to answer each question.

During which part of the water cycle does water from Earth’s surface move into the atmosphere?

What happens as water cools?

How does water return to Earth from the atmosphere?

Which of the following birds remained ancient looking in the miocene epoch? a. crows b. owls c. grouses d. none of the above

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition. b) one-fourth of the daughters of an affected man would have this condition. c) one-half of the daughters of an affected father and a carrier mother could have this condition. d) only if a woman is xxx could she have this condition.