HURRY PLEASE What is the phenotypic ratio of the offspring?
O ::
1:1:1:1:2:2:2:2:4
O 1:3:3:9
o 1:4
o 4:12

Why is it important to study each branch of earth science?

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.

Aragonite shells of clams, snails, or scleractinian corals may be preserved unaltered in cenozoic deposits, but they are generally dissolved or recrystallized in older deposits. true or false