Which of the following is true?
a. bats serve as a reservoir for ebola, but do not themselves get the disease.
b. bats serve as a reservoir for ebola, frequently living with low-grade symptoms of the disease.
c. bats suffer the effects of ebola, then transmit it to humans while they themselves are still alive.
d. bats transmit ebola to people only after they themselves are dead.

Option A, Bats serve as a reservoir for Ebola, but do not themselves get the disease.

Explanation:

A Reservoir species is the one which is able to transmit the disease for a longer period of time but do not get affected by the disease itself. In case of ebola, bat is known to transmit this disease but it does not get affected by Ebola itself. Due to this, bat is known as reservoir of Ebola.

Option A is correct.

the fossil record provides evidence of a common ancestor to many species.

lesson summarykaryotypes a genome is the full set of all the genetic information that an organism carries in its dna. chromosomes arebundles of dna and protein found in the nucleus of a eukaryotic cell.