The production of toxin by the rough-skinned newts, which deters many predators, is an
example of __________.
a. an adaptation
b. adaptive radiation
c. sexual selection
d. coevolution
A
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Epithelial tissue is found:
A. on the outer surface of the body. B. lining the gastrointestinal tract. C. lining the lungs. D. lining the blood vessels. E. All of these choices are correct.
Vascular tissue first evolved in which lineage of land plants?
A. mosses B. bryophytes C. lycophytes D. gymnosperms E. hornworts
Which of the following elements is often growth limiting for organisms because of its limited availability?
a) oxygen b) hydrogen c) nitrogen d) carbon
A sustainable society is able to provide the same amount of goods and services for future generations as it does for the current one, while preserving biodiversity.
Answer the following statement true (T) or false (F)