What is the main cause of drying and desiccation?
Ans: Transpiration
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Pelicans exhibit a unique mandible called a: a. head adornment
b. glandular pouch. c. fleshy mandible. d. gular pouch.
In its use in conservation efforts, lichens are
classified as an example of a(n)
a. biological magnified species. b. endangered species. c. biodiverse species. d. indicator species. e. exotic species
Speciation caused by a change in the course of
a river is an example of ____ speciation. a. divergent b. parapatric c. allopatric d. convergent e. sympatric
A plant is treated with a chemical that blocks the flow of electrons between photosystem II and photosystem I, such that protons are not transported from the stroma into the thylakoid compartment. What is the effect of this chemical on photosynthesis?
A. a decreased proton gradient will cause less ATP to be produced from the light reactions B. an increased proton gradient will provide the energy needed to produce ATP from the light reactions C. the increased number of protons will be directly used in the thylakoid to produce glucose D. the increased proton gradient will be used to make NADPH for the Calvin cycle