Ecology is the same as environmentalism
Indicate whether the statement is true or false
FALSE
You might also like to view...
Pigment is contained in an eyespot or ________ that helps certain organisms orient to light.
Fill in the blank(s) with the appropriate word(s).
Chordae tendineae:a
hold the AV valves in place. b. contract when the heart contracts. c. are one part of the conductance system of the heart. d. regulate blood flow into the ventricles. e. are stretched during ventricular systole
Native Americans were able to prevent the encroachment of trees and maintain the tallgrass prairies by
A) establishing an extensive irrigation system to increase soil moisture, thus favoring grasses. B) plowing much of the land for agriculture. C) clear-cutting the forests for timber and fuel. D) setting fires periodically to kill the trees. E) restricting the migrations of bison, which caused the bison to browse heavily on tree seedlings and thus kill them.
The mechanism that causes a vine's tendrils to grow around an object, such as a wire fenceline, is called ____.
A. thigmotropism B. phototropism C. gravitropism D. vernalization E. photoperiodism