What happened when Dr. John Endler transferred the less colorful, dull male guppies from a region with dangerous predators to a region with less dangerous predators?

Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3

The smallest parts of these that retain their original properties are called

Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.