Biology

Biology, 18.07.2019 13:30, RoyalGurl01

The increasing concentration of a chemical as it moves through the links in a food chain is called biological amplification trophic magnification toxic accumulation chemical amplification

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Biology, 19.07.2019 06:40, dacas7300

7. in a food chain, concentrations of harmful substances increase in higher trophic levels in a process known as a. biological magnification. b. genetic drift. c. biological succession. d. pesticide resistance.

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Biology, 22.07.2019 01:20, whitneyt2013

In a food chain 90% of the energy is lost in the transfer at each trophic level, and only 10% passes as usable biological energy. what will happen if secondary consumers are removed from a food chain? a) energy transfer in the food chain would be completely stopped. b) energy transferred to the tertiary consumers would be increased by 40%. c) energy transfer to the subsequent trophic levels of the food chain will be disturbed. d) producers will transfer more energy to the subsequent trophic levels of the food chain.

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Biology, 27.07.2019 06:00, gracye

During the process of biological , the concentration of pollutants, such as ddt or mercury, is multiplied as it passes up a food chain . a) diversification b) invasion c) magnification d) multiplication

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Biology, 02.08.2019 01:30, smariedegray

Why do food chains typically have no more than six links? a) decomposers would not have enough decaying matter to break down for energy. eliminate b) with too many links, animals at the end of the chain would have too much food. c) plants would not have enough carbon dioxide to survive, causing a gap in the chain. d) with too many links, animals at the end of the chain would not get enough food to survive.

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