Two or more organs working together form A) tissue. B) a group. C) a system. D) an organism.

Which of the following methods of asexual reproduction cannot occur in a unicellular organism: budding binary fission multiple fission fragmentation

Which of the following is not true of RNA processing? a. Exons are cut out before mRNA leaves the nucleus. b. Nucleotides may be added at both ends of the RNA. c. Ribozymes may function in RNA splicing. d.

The structure of a cell nucleous would be seen in the greatest detail by use of

A leukocyte is responsible for: bringing oxygen to the other body cells fighting disease by phagocytosis or antibody production causing muscle contraction conducting nervous impulses throughout the body

Which of the following is NOT a characteristic of members of the Plant Kingdom? A) Plants are multicellular B) All plants are eukaryotic C) Plants are heterotrophs D) Plants are covered in a waxy substance called a cuticle that allows them to retain

How many atoms is in this formula? 2C12H6O6

Explain the reason that many organisms found in the oceanic zone are unique and cannot be found anywhere else. Be sure to include two ways organisms have adapted to live in this zone

A species of fish is introduced into a lake the fish is better at hunting for food than the old fish. the old fish die off, the new fish population increases. which is the best way to describe these fish in the new ecosystem

Some populations of bats live in areas with high levels of noise pollution, such as near heavily trafficked bridges. How might the hunting behavior of bats be affected by such an environment?

Which best describes the relationship between blood flow and lymph flow? A. Blood flows through the contraction of skeletal muscle, and lymph flows through the contraction of cardiac muscle. B.