Which is the species that is especially intolerant of physical disturbance to their environment?
A. Secondary succession
B. Intermediate disturbance hypothesis
C. Pioneer species
D. Indicator species
E. Keystone species
Answer: D
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A cross of two Kerry horses always produces Kerry offspring. A cross of a Kerry with a Dexter produces 1/2 Kerry
and 1/2 Dexter offspring. Crosses of two Dexters produce two Dexters for every Kerry. Explain. What will be an ideal response?
When a gene is carried on one of the sex chromosomes, it is said to be ________.
Fill in the blank(s) with the appropriate word(s).
The same genetic condition that causes sickle-cell anemia can also protect against:
A. HIV. B. hemophilia. C. malaria. D. cholera.
Which proteins move the farthest during SDS-polyacrlamide gel electrophroesis?
a) the most negative b) the largest c) the smallest d) the most positive e) both the largest and the most negative