Satellite imagery can be used to better understand certain changes on Earth. Identify the best use of satellite imagery from the list.(1 point)
Responses
detecting a change in animal extinction rates
detecting a change in a backyard garden
detecting a change in regional forest cover
detecting a change in a person’s study habits
The best use of satellite imagery from the list is detecting a change in regional forest cover.
Which of the following is an accurate definition of biogeography?(1 point)
Responses
the study of the geographic distribution of living organisms and the characteristics of the environments in which they live
the number of various living species that exist in a certain area
the study of the purposeful clearing of a forested landscape of all, or selected, trees by humans
he study of changing climate
The accurate definition of biogeography is: the study of the geographic distribution of living organisms and the characteristics of the environments in which they live.
Question
Analyze which statement best captures how thawing permafrost changes Earth’s physical geography.(1 point)
Responses
Thawing permafrost is leading to an increase in mammal populations.
Thawing permafrost leads to the creation of lakes and swamps where there were none.
Thawing permafrost leads to grasses and lichens pushing out shrub species.
Thawing permafrost leads to fewer beaver ponds.
The statement "Thawing permafrost leads to the creation of lakes and swamps where there were none" best captures how thawing permafrost changes Earth's physical geography.
How has thawing permafrost affected the people who live in areas where permafrost occurs?(1 point)
Responses
Entire villages are being forced to relocate because of thawing permafrost.
With fewer beaver ponds, people are finding it difficult to capture beavers for human uses.
More ice cellars are able to be built because of thawing permafrost.
People are finding it easier to hunt on thawing permafrost.
The statement "Entire villages are being forced to relocate because of thawing permafrost" best describes how thawing permafrost has affected the people who live in areas where permafrost occurs.
Which statement best analyzes the impact of the Burmese python on the Florida Everglades region?(1 point)
Responses
The growth of the Burmese python population has resulted in a severe decline in the reproductive success of turtles.
The growth of the Burmese python population has resulted in severe declines in native mammal species.
The Burmese python, though an invasive species, has not had a great impact on the Florida Everglades region because it is easy to detect and remove.
The Burmese python has caused minimal ecological change in the Florida Everglades region because its food preference is not dominant in the Everglades.
The statement "The growth of the Burmese python population has resulted in severe declines in native mammal species" best analyzes the impact of the Burmese python on the Florida Everglades region.
Why are lysosomes important to the health of cells?(1 point)
Responses
They break down worn-out cell parts that are no longer needed.
They allow cell organelles to move freely through the cell as needed.
They move proteins around the cell.
They create cell boundaries and make cells rigid.