It is particularly important for plants to obtain nitrogen from

It is particularly important for plants to obtain nitrogen from ________.

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_______ diversity is the raw material that generates adaptation in species.

To date, ________ of eukaryotic species have been identified and named.

Lakes and ponds are heavily influenced by ________.

Precipitation is an important factor influencing the ________.

	a.	distribution of biomes
	b.	biodiversity of ecosystems
	c.	distribution of populations

Tropical rainforests have ________

	a.	distinct seasonal changes in temperature and precipitation
	b.	the most stable temperature and precipitation profile year round
	c.	seasonal fluctuations in rainfall from summer and winter

What is an endemic species?

	a.	a species that is very rare and difficult to find
	b.	a species that is native to a specific area, usually one with restricted geographical size
	c.	species that were once a single species, but divided over the years due to geographical separation

Cold water has more dissolved ________.

Island ________ attempts to explain why certain isolated island chains are particularly species rich.

Animals with aposematic coloration use color patterns to ________.

	a.	warn off predators
	b.	mimic a more dangerous organism
	c.	blend in with their environment

In a ________ relationship, one organism is harmed but rarely killed.

What is fecundity?

	a.	an organism reproduces once in its life then dies
	b.	the potential reproductive capacity of an individual
	c.	the life history of an organism

In general, ________ organisms are more densely distributed compared to ________ organisms.