A certain species of flea drinks only the blood of elephants. How would you best describe this flea's trophic level?
A) producer
B) primary consumer
C) secondary consumer
D) decomposer
C
Biology & Microbiology
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What ecological roles do seagrasses play? a. Humans use the stems of seagrasses for various purposes
b. They contribute 10% of oceanic primary production. c. They resuspend sediments into the water column. d. They stabilize sediments.
Biology & Microbiology
When a child is born, mitosis ceases to function.
Answer the following statement true (T) or false (F)
Biology & Microbiology
A higher rate of eye infections can be expected from a person who ________.
A. cannot produce tears B. has a vitamin deficiency C. is very young D. wears glasses
Biology & Microbiology
Which of the following is a unique feature of echinoderms?
A) bilateral symmetry B) a water vascular system C) radial symmetry D) a deuterostome pattern of development
Biology & Microbiology