Epithelial tissue covers the entire surface of many organisms. Which term describes the structure directly below tissues in the hierarchical organization of life?

A) atoms

B) cells

C) molecules

D) organs

Uring g1 stage of interphase, a diploid organism contains how many copies of each gene?

If you were a scientist studying the use of and competition for water between two species of nocturnal frogs, you would be a specialist at which level of biology?

What is gene splicing used to produce

What is a functional group? a) a group of living things that are made up of organic compounds b) a group of organs in the body that work together to perform a certain function c) a group of atoms bonded to carbon that determines how the molecule

What is the role of mRNA during protein synthesis?

Animals that eat only primary producers are called what

Plant species A has a diploid number of 12. Plant species B has a diploid number of 16. A new species, C, arises as an allopolyploid from A and B. The diploid number for species C would probably be A) 12. B) 14. C) 16. D) 28. E) 56.

Which seedless plants have been used to treat burns? club mosses mosses ferns horsetails

Ecosystems have trouble adjusting to short term changes t f

Since the llamas will not sell well with malformed feet, you decide to select the herd against this defect.