Which of the following are key elements of detrital food webs?

a. Fungi
b. Herbivores
c. Carnivores
d. Plants


a. Fungi

Fungi are key elements of detrital food webs.

Biology & Microbiology

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Because they lack well-defined and complex organ systems, we hypothesize that ___ diverged from other animals

A. poriferans B. cnidarians C. choanoflagellates D. bilaterians

Biology & Microbiology

You have chosen RNA as the most likely molecule to be first enclosed by a membrane. You understand that it has the ability to store information and can self-replicate, but what else is necessary for simple metabolic processes to occur in a timely manner?

A. A biological catalyst. B. Energy from ADP. C. A pump, to drive a concentration gradient. D. A mechanism to control self-replication. E. Both a mechanism to control self-replication and energy from ADP.

Biology & Microbiology

Pollen is derived from mitosis and differentiation of ________

a. the endosperm mother cell b. megaspores c. the integuments d. microspores

Biology & Microbiology

This animal has a coelom, a closed circulatory

system, and a clitellum. This animal is ___.

a. an earthworm b. a leech c. a roundworm d. a planarian e. more than one of these

Biology & Microbiology