Which of the following would be an example of competition in a biological community. A lion eating a gazelle.
A mosquito sucking blood out of a human.
barnacles being attached to a whale.
O A deer and elk who both eat grass.

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

Depending on the organism the number of in a cell may change

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity