The extinction rate is times higher than the natural extinction rate.
100-1,000
10,000-100,000
1-10
1,000-10,000

answer; a muscle cell, another neuron and a of the above

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

i know can you plzz me with this question im sorry i didt answer your question i just need hel.