Answer:
D
Explanation:
A layer of resin and woody tissue sticks the cones' scales together. The seeds are locked in tight, and the cones can't open unless they're exposed to VERY high temperatures like the type of temperatures that fire provides. This shows they survive through exposing the seeds after forest fires.
Answer: Weight can be measured in pounds.
Explanation:
Flow of individuals in and out of a population introduces new alleles and increase genetic variation within that population. Mutations: changes to an organisms DNA that create diversity within a population by introducing new alleles.
Answer: B
Explanation:
B describes the RNA processing, which only occurs during eukaryotes and invovles the splicing out of introns and putting together of extrons.