Earthworms and slugs move by
A) contracting their cilia.
B) contracting extensor and flexor muscles attached to their endoskeleton.
C) alternating contractions of longitudinal and circular muscles.
D) stretching their longitudinal muscles and contracting their circular muscles.
C
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Bioremediation is:
A. the use of microorganisms to treat open wounds B. the use of microorganisms to break down harmful substances in the environment C. the use of bacteria to attack cancer cells D. the use of microorganisms to attack pathogenic bacteria E. the use of bacteria in the production of biofuels
Testosterone is produced by the ________ and the adrenal cortex
Fill in the blank(s) with correct word
A childhood illness caused by a herpesvirus and characterized by a "rosy" rash all over the body is known as
A. chickenpox. B. kissing disease. C. CMV. D. monkeypox. E. roseola.
Which of the following statements about the fundamental and realized niche are true? (Check all that apply.)A) A species' realized niche could be the same size as its fundamental niche.B) A species' realized niche could be smaller than its fundamental niche.C) A species' fundamental niche can be smaller than its realized niche.D) The extent of the realized niche is determined, in part, by interspecific competition.E) The extent of the fundamental niche is determined, in part, by conditions of the physical environment.
What will be an ideal response?