In this chemical synapse, which structure represents the axon terminal of a presynaptic cell?
a. A
b. B
c. C
d. D
e. E
A
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Mammals are thought to have evolved from
A. thecodonts. B. therapsids. C. dinosaurs. D. marsupials. E. archosaurs.
Which muscle type is found in the walls of body tubes and cavities of vertebrates, such as blood vessels and the
intestines?
a. cardiac b. smooth c. skeletal d. rough e. epithelial
Which factor is least useful for making predictions about how urbanization and climate change will affect the carbon
cycle?
a. the architecture of the canopy of trees overhead b. leaf positioning c. leaf losses d. timing of natural events e. extent of agricultural practices
According to the clip, what is the main function of photosynthesis?
a) harvest energy from glucose b) harvest energy from carbon dioxide c) release oxygen into the atmosphere d) make sugars for food e) make green plant materialff