Campbell Essential Biology (6th Edition) - standalone book
6th Edition
ISBN: 9780133917789
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece, Kelly A. Hogan
Publisher: PEARSON
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Chapter 20, Problem 5SQ
Why are the top predators in food chains most severely affected by pesticides such as DDT?
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Chapter 20 Solutions
Campbell Essential Biology (6th Edition) - standalone book
Ch. 20 - Prob. 1SQCh. 20 - According to the concept of competitive exclusion,...Ch. 20 - Prob. 3SQCh. 20 - Prob. 4SQCh. 20 - Why are the top predators in food chains most...Ch. 20 - Over a period of many years, grass grows on a sand...Ch. 20 - According to the energy pyramid, why is eating...Ch. 20 - Local conditions, such as heavy rainfall or the...Ch. 20 - Prob. 9SQCh. 20 - Prob. 10SQ
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- why do large animals eat so low on the food chainarrow_forwardWhich are the organisms in one of the food chains in this food web? Who is the producer in the food chain you circled? explain why the hawk in this food web is a trophic omnivore even though it does not eat both plants and animals.arrow_forwardWhat are some advantages of being part of a food web rather than a food chain?arrow_forward
- What role is a wolf playing when it eats a rabbit that eats grass on a prairie in Wisconsin? Group of answer choices tertiary consumer detritivore secondary consumer primary consumer producerarrow_forwardWhere on a food web would you typically find humans (near the bottom with the producers, at the top with carnivores, or somewhere in between?arrow_forwardwhat are the negative effects if we continue to use fossil fuelsarrow_forward
- Why does a meat-eater's diet correspond to a much higher ecological footprint?arrow_forwardWhich one of the following organisms is missing from the food chain? Leaves → caterpillar → X → Hawk A. X – Snake B. X – Fox C. X – seaweed D. X - sparrowarrow_forwardHow does the ecological impact from a diet consisting strictly of animal products (e.g., dairy products, eggs, and meat) compare with that of a strictly vegetarian diet? How many additional ecologically equivalent Calories do you consume each day by including as little as 10% of your Calories from animal sources?arrow_forward
- How do our dietary choices affect greenhouse gas emissions? Which animal is particularly problematic from an emissions standpoint and why?arrow_forwardIn terms of trophic levels and energy, why do you suppose that there are not many top predators around?arrow_forwardWhat happened to the number of deer dying due to starvation from 1997-1999? What happened to the number of starving deer after 1999?arrow_forward
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