EBK CAMPBELL BIOLOGY IN FOCUS
2nd Edition
ISBN: 8220101459299
Author: Reece
Publisher: PEARSON
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Chapter 43, Problem 3TYU
Summary Introduction
Introduction:
Biodiversity is termed as the measurement of variation at the genetic, species and ecosystem level. It is variability within living organisms from all sources. It increases the stability and resilience of the ecosystem.
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Chapter 43 Solutions
EBK CAMPBELL BIOLOGY IN FOCUS
Ch. 43.1 - Prob. 1CCCh. 43.1 - Prob. 2CCCh. 43.1 - WHAT IF? Imagine two populations of a fish...Ch. 43.2 - How does the reduced genetic diversity of small...Ch. 43.2 - Prob. 2CCCh. 43.2 - WHAT IF? In 2005, at least ten grizzly bears in...Ch. 43.3 - Prob. 1CCCh. 43.3 - Prob. 2CCCh. 43.3 - Prob. 3CCCh. 43.4 - How can the addition of excess mineral nutrients...
Ch. 43.4 - MAKE CONNECTIONS There are vast stores of organic...Ch. 43.5 - Prob. 1CCCh. 43.5 - Prob. 2CCCh. 43.6 - Prob. 1CCCh. 43.6 - Prob. 2CCCh. 43.6 - WHAT IF? Suppose a new fishery is discovered, and...Ch. 43 - One characteristic that distinguishes a population...Ch. 43 - Prob. 2TYUCh. 43 - Prob. 3TYUCh. 43 - Prob. 4TYUCh. 43 - Prob. 5TYUCh. 43 - Prob. 6TYUCh. 43 - DRAW IT (a) Estimate the average CO2 concentration...Ch. 43 - Prob. 8TYUCh. 43 - FOCUS ON EVOLUTION The fossil record indicates...Ch. 43 - Prob. 10TYUCh. 43 - SYNTHESIZE YOUR KNOWLEDGE Big cats, such as the...
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- Exotic species are especially threatening to what kind of ecosystem? a. deserts b. marine ecosystems c. islands d. tropical forestsarrow_forwardC. Legally protecting endangered species D. Regulating hunting and fishing 34. A wooded area has been divided by a housing development and is threatenin What term is used to describe this threat from human activities? A. habitat fragmentation B. acid precipitation C. habitat augmentation D. global warming 35. Which of the following is NOT a characteristic of an invasive species? A. They grow rapidly and outcompete with other plants or animals B. They produce large numbers of seeds/offspring at a young age C. They have very specific needs or requirements to survive 36. Which of the following was NOT a cascade effect from introducing wolv A. The change in the shape/path of the river B. The change in elk grazing areas C. Destruction of the Yellowstone ecosystem P. Reduction in the coyote population, increasing the raptor populatarrow_forwardA conservation biologist has been asked to explain why it is important to protect biodiversity. She would list all of the following reasons except for which one? A. Humans are dependent on many species for food, medicines, fiber, and other necessities. B. Biodiversity can be exploited indefinitely for the profit of humans. C. Other species have inherent value and humans have a moral obligation to protect them. D. Biodiverse ecosystems provide ecosystem services that sustain all life on Earth. E. Biodiversity provides emotional and physical health benefits by providing places for humans to visit for wonder, insight, and exercise.arrow_forward
- The brown-headed cowbird is an animal that is native to the Alberta grasslands. Brown-headed cowbirds lay eggs in the nests of other grassland birds, thereby forcing the other species to hatch the eggs and raise the young.The type of symbiotic relationship between the cowbirds and the other species of birds is a. parasitism b. commensalism c. mutualism d. predation Please explain in details why you selected that method.arrow_forwardAnswer the following: 1. How does biodiversity provide for people’s medical needs? 2. How do researches that utilize biodiversity affect the community? 3. Why are the cultural tradition of the community important in consuming or using the goods sourced from biodiversity? 4. How do business and development affect biodiversity?arrow_forwardThe physical surroundings in which a species is normally found is its A. Community B. Habitat C. Home range D. Nichearrow_forward
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- The Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services published a report in 2019 that described several negative effects that humans have had on biodiversity and ecosystem services. They highlighted and ranked five drivers of these negative effects. Which of the following has had the greatest overall impact on biodiversity and ecosystem services? A. Pollution B. Direct exploitation of organisms C. Invasive species D. Climate change E. Changes in land use and sea usearrow_forwardWhat is CITES? Group of answer choices A. Its aim is to ensure that international trade in specimens of wild animals and plants does not threaten their survival. B. an international agreement between governments C. All of the answers are correct D. the Convention on International Trade in Endangered Species of Wild Fauna and Floraarrow_forwardWhich of the following would BEST help conserve biodiversity. CHOOSE ONLY ONE a. Plant native trees b. Engage in aquaculture c. Backyard farmingarrow_forward
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