The carrying capacity (K) of a population can vary depending on the supply of resources
Indicate whether the statement is true or false
TRUE
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A small island has stable populations of plants and animals, including one species of hawk but no other large predators. A ship docks at the island, and the sailors huntand kill most of the hawks. What would you expect as an immediate consequence?
A. an increase in the plants B. an increase in the insects C. an increase in the rodents D. a decrease in the fish E. a decrease in the plants Additional: Clarify Question · What is the key concept addressed by the question? Gather Content · What do you already know about causes of extinction? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Changes in the phenotypes within a population ultimately result from changes in what?
a. changes in the rate of mutation b. changes in the rate of gene flow c. changes in the rate of genetic drift d. changes in the gene pool
The majority of oxygen in earth's atmosphere is a product of photosynthesis by ________.
A. agricultural lands B. green plants C. rain forests D. microorganisms
What percentage of married women worldwide
use family planning methods?
a. 20 b. 30 c. 40 d. 50 e. 60