In which of the following habitat types would species diversity be expected to be relatively low?
a. high environmental stress
b. low environmental stress
c. continental ecosystems
d. ecotones
e. mature successional communities
A
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What is the site of primary sensory integration in the brain?
A. medulla oblongata B. cerebrum C. cerebellum D. thalamus E. corpus callosum
Which of the following descriptions best fits viroids?
a. prokaryotic cells that live on or in animal cells b. a DNA or RNA genome with a protein coat c. a single-celled eukaryote classified with the fungi d. the smallest pathogens made of naked circular RNA
A normal caloric intake for a healthy adult would be
A. 1,000 calories/day. B. 2,400 calories/day. C. 1,000 Calories/day. D. 2,400 Calories/day.
Functions of the smooth endoplasmic reticulum include ________.
A) steroid synthesis, protein synthesis, and drug detoxification B) lipid synthesis, protein synthesis, and drug detoxification C) lipid synthesis and drug detoxification D) lipid synthesis and storage of genetic information