Wastes would accumulate and most nutrients would stop cycling if which organism(s) within an ecosystem died?
a. protozoans and protistans
b. bacteria and fungi
c. flatworms, roundworms, and earthworms
d. insects
e. top carnivores
ANSWER: b
You might also like to view...
At about pH 7 in most cells, what happens to the amino R-group on an amino acid?
A) It acts as a base and gains a proton, giving it a positive charge. B) It acts as an acid and loses a proton, giving it a negative charge. C) It is reduced, and tends to act as an electron donor in redox reactions. D) It remains neutral, like water, and does not have a charge.
Which of the following plant organelle is a colorless plastid that stores starch in roots?
A. thyloplasts B. chloroplasts C. chromoplasts D. amyloplasts E. both chloroplasts and chromoplasts
Rays are a type of ________
A) tunicate B) cartilaginous fish C) jawless fish D) bony fish
Biofilms provide an alternative means for bacteria to attach to surfaces within the body
Indicate whether the statement is true or false