Biology Solutions Library

Biology Solutions Library

Access over 3,360 Biology video and text solutions to help you complete your homework.

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3,360 solutions

Q. Oxygen and carbon dioxide are able to pass through the plasma membrane of a cell because __________.

Solved • Feb 11, 2021

Primates and Homonids

Q. What are the pre-Australopithecines, and what do we know about them (Sahelanthropus tchadensis, Orrorin tugenensis, and Ardipithecus ramidus)? Were...

Solved • Feb 11, 2021

Mitosis vs. Meiosis

Q. Why is it necessary to reduce the number of chromosomes in gametes, but not in other cells?

Solved • Feb 11, 2021

Species

Q. What does the definition of a geographic barrier for a particular species depend on?

Solved • Feb 11, 2021

Prokaryotic & Eukaryotic Cells

Q. Is amoeba unicellular or multicellular?

Solved • Feb 11, 2021

Descent with Modification

Q. How do stabilizing and disruptive selection differ?a) With stabilizing selection, the phenotype for a trait does not influence survival. With disru...

Solved • Feb 11, 2021

Community Structure

Q. Grizzly bears are top carnivores in some North American ecosystems. What do you think might happen to a community of organisms if grizzle bears sud...

Solved • Jan 27, 2021