Module 1-Community Science

Place the categories in order from smallest to largest.

• biosphere, ecosystem, community, population,organism

• organism, population, community, ecosystem, biosphere

• biosphere, population, ecosystem, community, organism

• organism, community, ecosystem, population, biosphere

What is a community?

• habitat with abiotic factors added

• very small habitat

• all the abiotic factors in a specific area

• all the different populations that live together in an area

The most common ecosystems on Earth are

• land ecosystems

• aquatic ecosystems

• ocean (marine) ecosystems

• biomes

Which organisms can be found at hte first, or lowest, trophic level?

• herbivores

• carnivores

• heterotrophs

• autotrophs

Herbivores eat only meat.

• True

• False

Which kind of organisms have the greatest amount of potential energy?

• consumers

• producers

• herbivores

• carnivores

What is composed of several food chains in an ecosystem that intersect and depend on one another?

• niche

• feeding level

• energy pyramid

• food web

What is the ultimate source of energy in any food chain?

• the sun

• producers

• consumers

• decomposers

Energy is lost from one organism to another as

• heat

• waves

• sound

• dispersion

What is a producer?

• any organism

• any organism that obtains energy

• any organism that obtains energy from other life forms

• any organism that produces its own food