BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 44, Problem 2SA
Summary Introduction
Introduction:
The region or environment where an organism lives and grows is called habitat. Habitat offers food, water, and shelter. Each species requires a specific type of habitat. Habitat loss is a major threat to the endurance of wildlife. Degradation, fragmentation, or destruction of the habitat shrinks
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C. 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 populat
When an invasive species alters the community structure it is introduced to, what can the consequence be? a. extinction of economically important species b. reduced predation on some native species c. increased predation on some native species d. all of the above
Which of the following best describes a keystone species?
a. An organism, whose introduction causes or is likely to cause environmental harm
b. An organism, who if removed, the entire ecosystem changes.
c. Can signal a change in the biological condition of a particular ecosystem and diagnose the health of that ecosystem
d. Can indirectly protect several other species in the same habitat
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- If an ecosystem is greatly altered by the removal of a species, that species is referred to as A. Endangered B. Keyston C. Founder Species D. K-selectedarrow_forwardThe 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_forwardWhich of the following is one of the biggest threats to biodiversity? A. Invasive species B. Land protection C. Ecological conservation D. Habitat restorationarrow_forward
- An _______species has population levels so low it is at great risk of extinction in the near future. a. endemic c. indicator b. endangered d. exoticarrow_forwardThe physical surroundings in which a species is normally found is its A. Community B. Habitat C. Home range D. Nichearrow_forwardIndividuals help sustain biodiversity by _________ .a. reducing consumption c. recycling materialsb. reusing materials d. all of the abovearrow_forward
- The ability of an ecosystem to return to its equilibrium state after an environmental disturbance is called ________. a. resistance b. restoration c. reformation d. resiliencearrow_forwardCompetitive exclusion is the result of a. mutualism by two species for the same limiting resource. b.competition c. parasitism d. symbiosis e.commensalismarrow_forwardWhich of the following would BEST help conserve biodiversity. CHOOSE ONLY ONE a. Plant native trees b. Engage in aquaculture c. Backyard farmingarrow_forward
- Habitat fragmentation can reduce biodiversity by a. introducing more native species into a habitat b. sterilizing for pollution control C. decreasing human use of natural resources d. eliminating vast tracts of forests e. withdrawing an essential resource from native speciesarrow_forwardExploitation of patent of biological resources of other nations is called as A. Biosafety B. Biopiracy C. Biowar D. Bioabusearrow_forwardConverting a prairie to a farm field is an example of _________. a. overharvesting b. habitat loss c. exotic species d. climate changearrow_forward
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