A type of transport of a solute across a membrane, up its concentration gradient, using protein carriers driven by the expenditure of chemical energy is known as
A. osmosis.
B. diffusion.
C. facilitated transport.
D. active transport.
E. exocytosis.
D
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Diversification of mammals after the extinction of the dinosaurs is considered an adaptive radiation because a few mammal species rapidly evolved into most of the current mammalian lineages in a relatively short amount of time. This diversification was partially driven by the evolution of endothermic homeostasis in mammals, which is an example of
A. allopatric speciation. B. reproductive isolation. C. a key innovation. D. hybridization. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about adaptive radiation? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which component of a nerve cell provides electrical insulation for signals that are travelling along the axon?
a. astrocytes b. dendrites c. oligodendrocyte d. soma
Which of the following types of interactions is advantageous for one species, but has a negative effect
on the other?
a. predation b. herbivory c. mutualism d. parasitism e. predation, herbivory and parasitism
Decomposers
What will be an ideal response?