Drag each label to the correct location. Match the changed nucleotide sequences to the mutations that cause them.
CATTCACACA
CATTCACACCACG
CATTTCACACG
CATTCACG
CATTGCACAC

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.