Ecology Quiz 1

Which of these subjects is MOST LIKELY to be studied in ecology?

• the method of water transport in a tree

• a comparison of muscle cells among birds & reptiles

• the circulatory system of earthworms

• the interaction between populations of wolves and deer

List the following terms in order from smallest to largest: individual, community, ecosystem, population, biosphere, biome

• individual, population, community, ecosystem, biome, biosphere

• individual, community, population, ecosystem, biosphere, biome

• community, individual, population, ecosystem, biome, biosphere

• population, individual, community, ecosystem, biome, biosphere

Populations contain:

• One Species

• More than one species

Fish?

• Biotic (living)

• Abiotic (non-living)

Air?

• Biotic (living)

• Abiotic (non-living)

Food?

• Density Dependent

• Density Independent

Forest Fire?

• Density Dependent

• Density Independent

The _________________ _____________________ describes the total number of animals a given area of land can sustain.

• population density

• community growth

• carrying capacity

The flea population on a rat is monitored for 5 weeks after adding flea powder. What type of growth curve is being demonstrated? (Note: Flea powder kills fleas!)

• Exponential Growth Curve

• Logistic Growth Curve

As a population approaches carrying capacity (K), which of the following is predicted by the logistic growth equation?

• the growth rate will approach 0

• the population will increase exponentially

• the carrying capacity of the environment will increase