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