The botulism bacterium can kill a person by:
A) causing brain hemorrhages. B) killing muscle cells.
C) secreting a toxin that paralyzes muscles. D) producing lethally high fevers.
Answer: C
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a. producer, detritivore, decomposer b. consumer, detritivore. decomposer c. producer, consumer, decomposer d. facilitator, decomposer, consumer e. realized niche, fundamental niche, habitat
A psychoactive drug that delays the removal of a neurotransmitter from the synapse will ________
A) prolong the effect of the neurotransmitter on the receiving neuron B) bind to the receptor and affect the receiving neuron in the same way as the neurotransmitter C) dampen the response of the receiving neuron D) prevent the neurotransmitter from working
Briefly state what is meant by repetitive DNA
What will be an ideal response?
In terms of the number of species, the most successful class of arthropods is
A. Hexapoda. B. Chelicerata. C. Myriapoda. D. Chilopoda. E. Crustacea.