The concentration gradient that drives diffusion is a form of ____
a. heat
b. potential energy
c. kinetic energy
d. active transport
e. osmosis
B
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Stem cells divide and become immunocompetent.
The volcanic oceanic island of Krakatoa is located in Indonesia. In 1883, this island experienced a massive volcanic explosion that killed most of the plants and animals living on the island
For the following set of organisms, indicate the order in which you would expect the number of species on the island to return to the pre-eruption equilibrium number. A. lizards, birds, butterflies, beetles B. birds, lizards, butterflies, beetles C. birds, butterflies, lizards, beetles D. birds, butterflies, beetles, lizards
The inner cell mass, which is formed when the blastula rearranges into two layers, will go on to become what?
a. myometrium b. endometrium c. embryo d. placenta
what happens when the host experiences environmental stress? (release...multiply)
What will be an ideal response?