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Chapter 47: Q. 22 (page 1401)

Explain what extinction threats a frog living on a mountainside in Costa Rica might face.

Short Answer

Expert verified

the frog is at the risk of global warming shifting its preffered habitat up the mountains

Step by step solution

01

Step 1. global warming

Excessive use of fossil fuels also leads to global warming which leads to destruction of the habitat .Climate gradients will also move up mountains, eventually crowding species higher in altitude and eliminating the habitat for those species adapted to the highest elevations. Some climates will completely disappear. The accelerating rate of warming in the arctic significantly reduces snowfall and the formation of sea ice.

02

Step 2. melting of glaciers

Finally, global warming will raise ocean levels due to meltwater from glaciers and the greater volume of warmer water. Shorelines will be inundated, reducing island size, which will have an effect on some species, and a number of islands will disappear entirely.

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Most popular questions from this chapter

Converting a prairie to a farm field is an example of

________.

a. overharvesting

b. habitat loss

c. exotic species

d. climate change

About what percentage of land on the planet is set aside

as a preserve of some type?

a. 1 percent

b. 6 percent

c. 11 percent

d. 15 percent

What was the name of the first international agreement on climate change?

a. Red List

b. Montreal Protocol

c. International Union for the Conservation of Nature

(IUCN)

d. Kyoto Protocol

Exotic species are especially threatening to what kind of

ecosystem?

a. deserts

b. marine ecosystems

c. islands

d. tropical forests

A secondary plant compound might be used for which of

the following?

a. a new crop variety

b. a new drug

c. a soil nutrient

d. a pest of a crop pest
See all solutions

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