Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 43.1, Problem 1CC
Summary Introduction
To explain:
Why biodiversity cannot be simply defined as loss of species.
Introduction:
Biodiversity is the diversity of living organisms present on earth. Biodiversity is the sum total of all the species present on the earth. There are about 1 trillion species present on earth, but only one-thousandth of one percent is described till now.
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Chapter 43 Solutions
Campbell Biology in Focus (2nd Edition)
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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- Describe the potential effects when a keystone species is removed from a community.arrow_forwardUsing the meta-community concept, is it still possible to conserve species (communities) that are greatly affected by habitat fragmentation? Suggest one possible way to effectively conserve declining diversity.arrow_forwardExplain the effects of habitat loss, exotic species, and hunting on biodiversityarrow_forward
- Habitats with moderate levels of disturbance have higher species diversity. Question 2 options: A) True B) Falsearrow_forwardWhich of the subsequent options is not included in the red list criteria for species classified as "critically endangered"? 1. The population is projected to decrease by 25% or more within a span of 3 years or 1 generation. 2. The species possesses a limited range of less than 100km2 in a solitary location, and there is evidence of or anticipated habitat loss, fragmentation, ecological imbalance, or significant commercial pollution. 3. The likelihood of extinction exceeds 50% within a timeframe of 10 years or 3 generations. 4. The overall population size consists of fewer than 200 mature individuals.arrow_forwardIf the slope on a rank abundance curve is m = 0, the species diversity in the community will be? Group of answer choices equal high more information needed lowarrow_forward
- Threats on biodiversity are synergistic. This meansarrow_forwardConsider aspects such as pharmaceuticals derived from plants, ecotourism, and the role of diverse ecosystems in supporting industries like agriculture and fishing. Include two examples where biodiversity loss has led to a loss of food, resources, or jobs.arrow_forwardHabitats with moderate levels of disturbance have higher species diversity. A) True B) Falsearrow_forward
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