Which of the following best explains why the number of organisms at each level decreases while moving up the energy pyramid? A. The animals at each level use energy, so only a small amount of their energy is available to the next level. B. The animals at each level have more predators, so they produce more offspring. C. The animals at higher levels are more competitive, so fewer animals survive. D. The animals at higher levels move more than animals at lower levels, so they require more energy.
Answers: 1
Biology, 21.06.2019 19:30
Invasive species are one of the major threats to biodiversity. these species multiply quickly and compete with native species for food, sunlight, spac and other resources. on the map, determine the area where native species will have limited resources available to them due to invasion threat from invasive species threat very low low medium high very high
Answers: 3
Biology, 22.06.2019 10:00
An animal cell (left) and a plant cell (right) are shown.which organelle, labeled x in the diagram, is found in both plant and animal cells?
Answers: 1
Biology, 22.06.2019 11:00
Draw the farm's ppf for corn and beef. draw a point that shows an inefficient combination of corn and beef. label ita. draw a point that shows an unattainable combination of corn and beef. label itb. draw a point that shows an efficient combination of corn and beef. label itc.
Answers: 2
Which of the following best explains why the number of organisms at each level decreases while movin...
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