What occurred as a result of the 1969 cuyahoga river fire?
a.
the number of fire stations along the river was doubled.
b.
the public was restricted from accessing the cuyahoga river.
c.
public awareness of water pollution increased.
d.
ohio residents organized a massive campaign to clean up the river.

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

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.

On his trip to the galapagos islands, darwin determined that animals on the islands