Population Ecology

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

• Population size
• Population systematics
• Population density
• Population distribution

If birth rate plus immigration exceeds death rate plus emigration, a population _______.

• grows
• declines
• stays the same
• none of the above

Tags

NGSS.HS-LS2-1

NGSS.HS-LS2-2

Emigration is the movement of individuals ______ a population.

• into
• out of

The lion is the natural predator of the zebra. If the zebra population drops, what will likely happen to the lion population?

• drop
• thrive
• be unaffected
• decrease, then increase exponentially

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

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

• linguistic growth
• experimental growth
• exponential growth
• logistic growth

Tags

NGSS.HS-LS4-2

Which of the following are abiotic factors that shape ecosystems?

• worms, plants, and temperature

• wind, precipitation, and soil type
• niches, trees, and bacteria
• sunlight, mushrooms, and wind

Tags

NGSS.HS-LS2-6

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. Which of these likely occurred a few years after the introduction of this possum to New Zealand?

• The possums became extinct.
• The possums developed shorter life spans.
• The possum population grew to a larger size.
• The possum population evolved into a different species.

Tags

NGSS.HS-LS4-5

NGSS.HS-LS4-2

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.

• k-strategist

• r-strategist

• m-strategist

• s-strategist

Tags

NGSS.HS-LS4-2

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.

• k-strategist

• r-strategist

• m-strategist

• s-strategist

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Processes that remove individuals from a population.

• death and emigration

• birth and immigration

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5