Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 21, Problem 7RQ
What kind of ecosystem are exotic species especially threatening to?
a. deserts
b. marine ecosystems
c. islands
d. tropical forests
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What is the #1 danger to biodiversity and species all over the world? A. Climate change B. Over-logging C. Human interference D. Pollution
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
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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
Exotic species are especially threatening to what kind of ecosystem? a. deserts b. marine ecosystems c. islands d. tropical forests
Chapter 21 Solutions
Concepts of Biology
Ch. 21 - Figure 21.6 The Svalbard seed vault is located on...Ch. 21 - The number of currently described species on the...Ch. 21 - A secondary plant compound might be used for which...Ch. 21 - Pollination is an example of ________. a. a...Ch. 21 - Converting a prairie to a farm field is an example...Ch. 21 - Which two extinction risks may be a direct result...Ch. 21 - What kind of ecosystem are exotic species...Ch. 21 - Certain species of parrot cannot be brought to the...Ch. 21 - What is the name of the first international...Ch. 21 - Explain how biodiversity loss can impact crop...
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