Which of the following statements about the effects of deforestation on terrestrial ecosystems are true? Check all that apply.
_____ At present rates of deforestation, it is predicted that all of the world's tropical rain forests will be degraded or gone within 10 years.
_____ Today, deforestation is one of the greatest problems facing terrestrial ecosystems.
_____ Deforestation usually leads to the over-accumulation of nutrients such as nitrates/nitrites in the soil.
_____ Deforestation can lead to loss of topsoil.
_____ Deforestation can lead to eutrophication of aquatic ecosystems.
_____ At present rates of deforestation, it is predicted that all of the world's tropical rain forests will be degraded or gone within 10 years.
__X__ Today, deforestation is one of the greatest problems facing terrestrial ecosystems.
_____ Deforestation usually leads to the over-accumulation of nutrients such as nitrates/nitrites in the soil.
__X__ Deforestation can lead to loss of topsoil.
__X__ Deforestation can lead to eutrophication of aquatic ecosystems.
You might also like to view...
Tubulin subunits are added to growing cilia or flagella by ________.
Fill in the blank(s) with the appropriate word(s).
In which of the following ways does the fly
kill a fire ant?
a. A female fly lays an egg in the ant's soft tissues, and in the process of development, the resulting larvae kills the ant. b. A fly (male or female) injects a poisonous substance in the ant which results in paralyzing its muscles. c. A fly (male or female) injects a substance that sterilizes the ant. d. A fly (male or female) causes the ant's death by depriving it from its necessary resources and habitat. e. A fly (male or female) injects a substance that sterilizes the ant and paralyzes its muscles
Hydrogen ions in the blood can be neutralized temporarily by which of the following?
a. bicarbonate b. ADH c. renin d. urea e. filtration
A group of organisms of a certain species that is in one area at a given time is know as a (an)
A. ecosystem B. community C. population D. trophic level