A severely injured animal is able to still able to
defend itself due to the action of ___.
a. dopamine
b. endorphins
c. serotonin
d. acetylcholine
e. GABA
B
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Decomposers
A. All of the answer choices are correct. B. return organic molecules to an inorganic form. C. include fungi. D. include bacteria. E. obtain nutrients from detritus.
As men age, the prostate may enlarge but not become cancerous. This enlarged prostate may result in ________
A) sterility B) difficulty with urination C) impotence D) constipation
Describe the alteration of five selected biomes by humans. How have different biomes been converted for commercial
or agricultural use? Of those selected, which has undergone the most extensive change? What will be an ideal response?
Based on the phylogeny shown, choose the true statement about evolutionary relationships.
A. Oak is equally related to rose and pine. B. Fern is equally related to ginkgo and oak. C. Ginkgo is more closely related to oak than rose. D. Fern is more closely related to pine than to rose.