Which of the following is NOT an example of an ecological study? Select one:

a.
The study of how hummingbirds pollinate certain shrubs

b.
The study of competition between hummingbirds and honey bees

c.
The study of muscle strength in hummingbirds

d.
The study of how air pollution impacts hummingbird shells

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

What types of energy transfers and energy transportations are involved in the domino chain reaction?

What are the two main phases of a cell cycle