Species interactions between members of a
community include __________ and __________, in
which one species benefits at the expense of another. Fill in the blank(s) with the appropriate word(s).
Answer: parasitism; predation
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In a typical nerve cell, the nucleus is found in the _____
A) cell body B) synaptic terminals C) axonal region D) dendritic region E) synapse
Sympatric speciation differs from allopatric speciation because with sympatric speciation
A. a population becomes geographically isolated. B. two populations of the same species merge to form a single population. C. polyploidy (changes in the number of sets of chromosomes) arises. D. hybrid zones form. E. temporal factors may arise without geographic isolation occurring and polyploidy may arise.
During the process of phlebotomy, drawing a blood specimen from a patient, the action of cleaning the area on the skin prior to the insertion of the needle requires the application of a(n):
a. chemical sterilant. b. bacteriostatic agent. c. alcohol. d. antiseptic.
The supralittoral zone is:
a. the area below the low tide mark. b. the area above the high tide mark. c. the area between low and high tide marks. d. the area under the rocks.