Why are endemic species inherently so vulnerable?
A. they may provide new discoveries in medicine
B. they occur in a particular region of the world and nowhere else on earth
C. they are part of the coral reef ecosystem on the brink of extinction
D. they are able to evolve when their environment is threatened
E. All of the above are correct.
Answer: B. they occur in a particular region of the world and nowhere else on earth
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In which of the following ways has climate change impacted weather patterns in the United States?
A. Average temperatures have increased up to 1.8°F; however, these changes have been very regional, with some areas seeing increasing temperatures and others seeing decreasing temperatures. B. Average precipitation has increased by 4%; however, this has been a very regional change, with some areas seeing significant increases in rainfall and other areas seeing significant decreases in rainfall. C. Severe weather events, including droughts and flooding, have decreased in frequency. D. Geological events, including volcanoes and earthquakes have increased in frequency.
A pure substance that cannot be broken down into another substance is known as a(n) ____
a. proton b. electron c. compound d. element e. isotope
Iltration slits are located between adjacent podocytes. Indicate whether the statement is true or false
Karoshi" means _______.
A. heart disease B. sing for your supper C. death from overworking D. job burnout