Most amphibians are completely dependent on

an aquatic environment for
a. respiration.
b. feeding.
c. reproduction.
d. respiration and reproduction.
e. respiration, reproduction, and feeding


C

Biology & Microbiology

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The typical osmolarity of body fluids in most marine invertebrates is

a. ~5 mOsm/L. b. ~225 mOsm/L. c. ~300 mOsm/L. d. ~1000 mOsm/L. e. ~1500 mOsm/L.

Biology & Microbiology

A substance consists of weak acids or bases designed to maintain a specific pH of a solution within a cell or a biological system. Which of the following describes this substance?

A) buffer B) catalyst C) pH D) acids

Biology & Microbiology

Complete dominance

What will be an ideal response?What will be an ideal response?

Biology & Microbiology

For each of the following organelles or structures, check the corresponding box if the organelle or structure is named or discussed in the animation.

A) lysosomes B) the nucleus C) mitochondria D) the Golgi apparatus E) ribosomes

Biology & Microbiology