Answer:
<u><em>Community</em></u> would be the term used to describe all the species that live in the Arctic National Wildlife Refuge.
Explanation:
A community can be described as all the different species which live in an area at a particular time. Hence, community would be the term used to describe all the species present in Arctic National Wildlife Refuge.
A population can be described as the number of organisms of the same species living in a particular area at a given time. An ecosystem can be described as all the living and non-living factors of an area. A species can be described as organisms which can mate together to produce fertile offsprings.
Muscle cells extended cell membrane
<span>Weathering loosens material before erosion carries away, but erosion can also scour and move unweathered material.</span>
Answer:

Explanation:
- Collection of abiotic and biotic factors in an environment is an <u>ecosystem</u>
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An ecosystem is a complex system that contains biotic and abiotic factors. These abiotic and biotic factors interact with each other, keeping the ecosystem and environment moving along. The biotic and abiotic components are linked together through nutrient cycles and energy flows.
- Mordancy
The correct answer is D. Bird flu.
Polio and smallpox are very rare today as they were eradicated hundreds of years ago and TB has been around for maybe thousands of years. Bird f!u was discovered in 1957.