Which of the following eras occurred first?
a. precambrian
b. mesozoic
c. cenoz...
Biology, 01.02.2020 22:42 yaitzafigueroa
Which of the following eras occurred first?
a. precambrian
b. mesozoic
c. cenozoic
d. paleozoic
Answers: 3
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Apart of an ecosystem that can restrict the growth of a population is referred to as
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The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis
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Which action is a reflex action. a. asking for coffe in a cold climate b. blinking when light is flashed in the eyes c. drinking water when thirsty. d. swallowing food e. taking an exam
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Why does sexual reproduction result in more genetic variation in a species
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