In the case of temperature regulation, an example of an effector is
a. a receptor in the brain.
b. a center in the brain.
c. a shivering skeletal muscle.
d. none of the above.
c
Biology & Microbiology
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Which microbial grouping is the major oxygenic phototroph in most salt lakes?
A) cyanobacteria B) Dunaliella, a eukaryotic alga C) halophilic Archaea D) purple nonsulfur bacteria
Biology & Microbiology
List the four types of gymnosperms. What characteristics do they have in common? What sets each group apart?
What will be an ideal response?
Biology & Microbiology
All of the ____ are a community.
A. sugar maple trees on Earth B. living organisms in a forest C. squirrels in a forest D. living and nonliving things in the forest
Biology & Microbiology
Blood vessels that serve as gateways to capillary beds are ________
A) venules B) arterioles C) arteries D) veins
Biology & Microbiology