Ecology Quiz 3

Members of a single species in a specific area is called a

• community

• population

• ecosystem

• organism

What is the ultimate source of energy for all organisms in an ecosystem?

• producers

• herbivores

• consumers

• sun

The living aspects of the environment are

• biotic factors

• abiotic factors

• ironic factors

• none of the above

An organism that must eat other organisms for energy

• heterotroph

• producer

• autotroph

• all of the above

Which of the following is the correct sequence of the levels of organization from simplest to most complex?

• biosphere, community. ecosystem, organism, population

• organism, population, community, ecosystem, biosphere

• biosphere, ecosystem, community, population, organism

• organism, ecosystem, population, community, biosphere

Organisms that only eat plants are called herbivores and they serve as ______________ in an ecosystem.

• producers

• decomposers

• primary consumers

• tertiary consumers

Worms breakdown dead and decaying organic matter. This makes them_______.

• producers

• consumers

• scavengers

• decomposers

Water, food, temperature, and space are all examples of _____________ in an ecosystem.

• limiting factors

• biotic factors

• abiotic factors

• none of the above

The relationship between the lynx and the snowshoe hare is best described as

• parasite - host

• producer - consumer

• preditor - prey

• carnivore - herbivore

Producers (plants) trap energy from the sun and "feed" themselves. All producers are ______.

• autotrophs

• heterotrophs

• omnivores

• carnivores