Ecology Review Game

The high level of pesticide in birds of prey is an example of

• the principle of exclusion

• cycling of nutrients

• exponential grown

• biological magnification

Which of the following best explains why there are usually no more than five trophic levels in a food chain

• there are not enough organisms to fill more than five levels

• there is too much competition among the organsims at the lower levels to support high levels

• the statement is not true: there can be unlimited trophic levels

• energy is lost at each trophic level

Which of the following is not an abiotic factor

• air

• water

• decomposers

• temperature

which of the following encompasses all the others

• ecosystem

• community

• population

• individual

Which best describes K-strategist

• A

• B

• C

• none

Which best describes an organism that fertilizes externally?

• a

• b

• c

• none

Which curve best describes an organism that invests a lot of energy into caring for their offspring?

• a

• b

• c

• none

a species described as r-strategist would definitely NOT have which of the following characteristics

• clumped population pattern

• much parenting

• many offpsring

• random population pattern

which of the following is a density independent factor limiting human population growth?

• famine

• disease

• competition

• naturally occurring fires

What would most likely be the cause of bushes of one species growing in one area in a uniform spacing pattern.

• random distribution of seeds

• interactions among individuals in the population

• chance

• varied nutrient supplies in that area