BIOLOGY:LIFE ON EARTH-W/ACCESS
11th Edition
ISBN: 9780134669076
Author: Audesirk
Publisher: PEARSON
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Question
Chapter 31, Problem 4FTB
Summary Introduction
To review:
The given blank space in the statement, “the major threats to biodiversity include _________, ________, __________, __________, and _________. For most endangered species, _________ is probably the major threat.”
Introduction:
According to the global footprint network and water footprint network, the population of wild vertebrate animals was reduced to half of what it was 40 years earlier. This loss was the major indication of the threats to the biodiversity.
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Chapter 31 Solutions
BIOLOGY:LIFE ON EARTH-W/ACCESS
Ch. 31 - A factor that increases humanity's ecological...Ch. 31 - Prob. 2MCCh. 31 - Prob. 3MCCh. 31 - Prob. 4MCCh. 31 - Which of the following is not true of a population...Ch. 31 - Prob. 1FTBCh. 31 -
2. Products or processes by which functioning...Ch. 31 - Many of the benefits that humans derive from...Ch. 31 - Prob. 4FTBCh. 31 -
5. The smallest population of a species that is...
Ch. 31 -
6. A Native American saying tells us that “We do...Ch. 31 - Prob. 1RQCh. 31 - What is ecological economics? Why is it important?Ch. 31 - Prob. 3RQCh. 31 -
4. What five specific threats to biodiversity are...Ch. 31 - Why are efforts to protect monarch butterflies a...Ch. 31 - List some reasons that the ecological footprints...Ch. 31 -
2. Search for and describe some examples of...
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- A keystone species is one whose removal from a community causes extinction of other species. How does this extinction happen?arrow_forwardA conservation organization has hired you to lead efforts to reduce the loss of biodiversity in a tropical country. Which of the following problems would you focus on first and why: habitat destruction and fragmentation, hunting and fishing activity, harvesting of wild species for commercial sale, or introduction of exotic organisms?arrow_forwardWhat can you do to change the loss of biodiversity that is occurring? What can we, the human population, do? The Facts: Choose a fact and explain its impact to you, to the world, to the environmentarrow_forward
- Threats on biodiversity are synergistic. This meansarrow_forwardBiodiversity decline leads to declines in ecosystem and functioning and ecosystem stability. Cite one natural process that can promote the diversity, ecological function and stability of an ecosystem.arrow_forwardIf you had to monitor an ecosystem for evidence of pollution, what are one or two indicator species you would want to pay particularly close attention to? You may discuss specific species of organisms, or can discuss organisms that occupy a specific trophic level in an ecosystem’s food web. Explain why you would select these species or this trophic level.arrow_forward
- As related to ecosystem services which term is accurate match for ecosystem services 1- the benefits humans receive from ecosystem processes 2- a product from the ecosystems biodiversity 3- the monetary value of a productarrow_forwardnd biodiversity of sites in their own community, students performed a leaf litter lab where leaf litterwas collected from two sites: one from beneath the trees in an organically managed, commercial landscapeestablished one year ago and one from beneath the trees in a nearby nature preserve that have not been trimmed ormanaged in over twenty years. The students hypothesized that there would be more insect biodiversity in the leaflitter at the nature preserve than at the managed site. The leaf litter from each site was placed into a funnel with alight shone on the top to drive any insects out of the litter. Species were collected in an alcohol-filled containerbelow the funnel, and the species were identified using magnifying lenses and a keyarrow_forwardAlien species invasion has been a threat to biodiversity. Justify with the help of a suitable example. List any other three causes responsible for such a loss.arrow_forward
- In trying to protect and conserve natural resources, it is advisable to identify which resources are renewable and non-renewable. Which should have stricter conservation rules, renewable or nonrenewable resources? Why?arrow_forwardWhy is the world's loss of biodiversity a source of concern?arrow_forwardDiscuss at least 5 services provided by biodiversity. Discuss human influences on such services you answered above and the consequences of losing ecosystem services.arrow_forward
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