Atree of life depicting the hypothetical phylogeny of the three domains is shown above. at which letter is located the common ancestor that would contain membrane-bound organelles? a) a b) b c) c d) d

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u. s. fish and wildlife service

What pattern of migration do whales follow?

The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?