Population Ecology

Front

The average number of individuals per unit of area or volume is called ______.

Back

Population density

Front

If birth rate plus immigration exceeds death rate plus emigration, a population _______. Options: grows, declines, stays the same, none of the above

Back

grows

Tags

NGSS.MS-LS2-4

Front

Emigration is the movement of individuals ______ a population.

Back

out of

Front

If the zebra population drops, what will likely happen to the lion population?

Back

drop

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Front

Under ideal conditions with unlimited resources, a population will have ________.

Back

exponential growth

Front

Abiotic factors that shape ecosystems: worms, plants, and temperature; wind, precipitation, and soil type; niches, trees, and bacteria; sunlight, mushrooms, and wind.

Back

wind, precipitation, and soil type

Front

The common brushtail possum is a marsupial native to Australia. This possum was introduced to New Zealand where it had no natural predators and had an abundant food supply. What likely occurred a few years after the introduction of this possum to New Zealand?

Back

The possum population grew to a larger size.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Front

These organisms occupy stable environments, are larger in size and have longer life expectancies. They produce, during their life spans, fewer offspring, but place a greater investment in each.

Back

k-strategist

Front

These organisms typically live in unstable, unpredictable environments & are able to reproduce rapidly (exponentially). They do not take care of their young & are subject to predation.

Back

r-strategist

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Front

Processes that remove individuals from a population.

Back

death and emigration