The best way to prevent desertification is to avoid farming in areas that are subject to __________. Fill in the blank(s) with the appropriate word(s)
ANSWER: high winds and periodic drought
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The maximum number of individuals of a given population the environment can support is the environment's ____ for that population
Fill in the blank with the appropriate word.
Which of the following statements best describes the condition of fungal spores?
A. Sexual and asexual spores are both haploid. B. Sexual and asexual spores are both diploid. C. Sexual spores are haploid and asexual spores are diploid. D. Sexual spores are diploid and asexual spores are haploid. E. Haploid asexual spores fuse to form diploid sexual spores.
If a behavior has evolved by natural selection, it must have ______________.
A. benefits for both males and females B. reduced the predation rate on the animal C. evolved the same way in each species D. a genetic basis
Refer to Figure 41-2. Which of the following would have an effect on the structure in part 1?
a. potassium concentration
b. chloride concentration
c. neurotoxin
d. tetrodotoxin
e. provocain