AP Population Ecology

Which of the following best explains why there are seldom more than five trophic levels in a food chain?

• Most carnivores function at more than one trophic level

• Trophic levels about this numbers contain too many individuals

• Energy is lost from each trophic level

• The ecosystem contains too much biomass

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The two species, Paramecium aurelia and Paramecium caudatum, which do not prey upon each other, fighting to grow in the same test tube is an example of which of the following?

• Competition

• Predation

• Emigration

• Immigration

Two animals live together in close association.  One benefits, while the other is unaware of or unaffected by the first animal. The relationship is best described as

• Parasitism

• Mutualism

• Commensalism

• Predation

Tags

NGSS.MS-LS2-2

Which of the following encompasses all the others?

• ecosystem

• community

• population

• individual

Tags

NGSS.MS-LS2-3

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

• linguistic growth

• experimental growth

• exponential growth

• logistic growth

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

Processes that remove individuals from a population.

• death and emigration

• birth and immigration

Which of the following are density independent factor(s)?

• competition for resources

• predator-prey relationships

• parasitism and disease

• weather, natural disaster and man made disturbances

Tags

NGSS.MS-ESS3-2

What type of growth is represented in this graph?

• exponential

• logistic

• survivorship curve

• predator-prey

Refer to the diagram of the survivorship curve.
Which curve best describes an organism that invests a lot of energy in parenting?

• A

• B

• C

• this is not a survivorship curve