Population Ecology

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

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

Emigration is the movement of individuals ______ a population.

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

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

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

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?

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.

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.

Processes that remove individuals from a population.