In tree rings, like those shown, each "ring" of growth represents what?
A. Two years of growth
B. One season of growth C. One year of growth
D. One month of growth

Which organelle breaks down sugar molecules that supply energy to the cell ?

In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing