The rapid increase in the human population over the past 200 years is primarily due to
A. an increase in biotic potential.
B. removal of many kinds of limiting factors.
C. an increase in natality.
D. All of these answers are true.
B. removal of many kinds of limiting factors.
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A ________ is the amount of energy required to warm 1 gram of water 1 degree Celsius.
Fill in the blank(s) with the appropriate word(s).
Schistosomiasis has increased in areas where
A. snails have become a delicacy. B. crayfish are eaten. C. dams have been built. D. swamps have been drained.
Fascia is a type of connective tissue that surrounds the muscle. What is it called when it extends beyond the muscle?
Arrange the following terms from most inclusive to least inclusive
1. embryophytes 2. green plants 3. seedless vascular plants 4. ferns 5. tracheophytes A) 1, 2, 5, 3, 4 B) 2, 1, 5, 3, 4 C) 2, 5, 1, 3, 4 D) 1, 4, 2, 5, 3