Reptiles are __________ (cold-blooded animals) with scales.
Fill in the blank(s) with the appropriate word(s).
ectotherms
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In relation to functional groups, what is an R-group?
a. An R-group is an abbreviation that denotes the addition of a phosphate to any functional group. b. An R-group is an abbreviation used to show any group to which the functional group is attached, usually at a carbon or hydrogen atom. c. An R-group indicates that the functional group was formed through dehydration synthesis. d. An R-group is an abbreviation for an acetyl group in inorganic chemistry.
__________ is the arrival of pollen grains on a receptive stigma. Fill in the blank(s) with the appropriate word(s)
According to the animation, what does oxygen get reduced to at the end of the electron transport chain?
a. ATP b. NADH c. Water d. Electrons e. Protons
What describes marsupial embryos?
A. They are nourished by the placenta. B. They hatch from an externally laid egg. C. They hatch from an internal egg. D. They are born fully developed. E. They are born highly underdeveloped.