As Climate Change Continues,average Temperatures Are Increasing at All Latitudes

question 57

Multiple Choice

As climate change continues,average temperatures are increasing at all latitudes and spring is beginning two to three weeks earlier in many areas.How will these changes likely affect plant communities?

• A) Most species will go extinct.
• B) Most species will survive but be very unhealthy.
• C) Most species will adapt to the changes and persist at lower populations.
• D) The most heat-tolerant species will take over,lowering species diversity.
• E) Some species may go extinct,but many will shift their ranges northward.

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Definitions:

Receptor-mediated Endocytosis

A cellular process by which cells internalize molecules (such as proteins) by the inward budding of plasma membrane vesicles containing proteins with receptor sites specific to the molecules being internalized.

Coated Pits

Specialized areas on the cell membrane involved in the process of receptor-mediated endocytosis, often marked by a specific coating protein.

Endosome

Membrane-bound compartments inside cells, involved in sorting and directing vesicular traffic of proteins and lipids.

Liposomes

Artificially prepared vesicles made of lipid bilayers, used in drug delivery systems.