Which factor may result in the actual carrying capacity of our planet being lower than initially calculated?
A) The average American uses more resources than someone from another country.
B) Modern food production relies on nonrenewable resources.
C) NPP has been decreasing.
D) The human population is growing much faster than was previously thought.
B
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Deoxyribose is
(a) a five-carbon sugar. (b) present in RNA. (c) a nitrogen-containing base. (d) one type of purine.
What is the only known eusocial mammal?
A. humans B. naked mole rats C. beavers D. prairie dogs E. honeybees
The light level at which the rate of carbon uptake in photosynthesis equals the rate of carbon loss in respiration is the light ________ point
Fill in the blank(s) with correct word
In plants, sporogenous cells divide by mitosis to form spores
_________________ Indicate whether the statement is true or false.