Biology, 07.10.2019 22:30 askharoun2005
What was thomas malthus’s contribution to natural selection?
a. the theory that environmental resources increase in response to population pressures
b. the theory that the earth’s old age is based on geologic evidence resulting from cataclysmic events
c. the observation that an abundance of food would allow a population to increase geometrically and indefinitely, but there simply is not enough food so populations are limited by food supply
d. the binomial taxonomic system of naming species
Answers: 1
Biology, 21.06.2019 21:30
Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?
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Biology, 22.06.2019 03:00
Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.
Answers: 2
Biology, 22.06.2019 09:00
Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land
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What was thomas malthus’s contribution to natural selection?
a. the theory that environmenta...
a. the theory that environmenta...
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