Species diversity of plankton in the North Atlantic has been reduced by
a. global warming.
b. oil spills.
c. toxic compounds.
d. solar flares.
e. alteration of surface currents.
C
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Recall that angiosperms spend a great deal of energy and resources attracting pollinators. What are some of the methods flowers use to lure pollinators? Select all correct choices
A. Flowers can mimic females of an insect species (both in appearance and pheromones). B. Flowers can be brightly colored and produce nectar. C. Flowers can produce chemicals insects use to synthesize pheromones. D. Flowers can produce scents similar to those emitted by dung or animal carcasses.
Imagine you were ‘building’ a plant. You wanted a particular tissue to be somewhat rigid but capable of rapid growth
What tissue type would you pick? What will be an ideal response?
The myelin sheath:a
is a protein covering around dendrites. b. is responsible for integrating information. c. is a fatty covering only around axons. d. stores neurotransmitters in the axon. e. is a fatty covering only around cell bodies.
Blood that occurs to and from all of the tissues of the body, with the EXCEPTION of the lungs, is transported in the ________.
A) infundibular circuit B) pulmonary circuit C) systemic circuit D) hepatic portal circuit E) arterial circle of Willis