wind and waterbreak up rock intothat is transported to oceans lakes andlayers of sediment areand cemented over time and form sedimentary.

Which of the following structures is not found in both plant and animal cells? a) chloroplast b) cytoskeleton c) ribosomes d) mitochondria

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

The first amino acid of a new polypeptide chain is