Review of Interdependence in Ecology

Tertiary consumers / Third order heterotrophs

Secondary consumers / Second order heterotrophs

Primary consumers / First order heterotrophs

PRODUCERS

Direction of Heat transfer

Direction of Energy transfer

Direction of Movement between organisms

Direction of sunlight in an ecosystem

A food chain shows feeding relationships while a food web does not.

A food web shows one feeding pathway while a food chain shows many.

A food chain is a single feeding pathway, while a food web shows interdependence and all feeding relationships.

A food chain and food web are exactly the same thing.

Herbivore - eats plants/producers

Carnivore - eats meat/consumers

Omnivore - eats both producers and consumers

Herbivore - eats plants/producers

Carnivore - eats both producers and consumers

Omnivore - eats meat/consumers

Herbivore - eats meat/consumers

Carnivore - eats plants/producers

Omnivore - eats both producers and consumers

Herbivore - eats both producers and consumers

Carnivore - eats meat/consumers

Omnivore - eats plants/producers

Organism, community, ecosystem, population, biosphere

Biosphere, ecosystem, community, population, organism

Population, community, ecosystem, biosphere, organism

Organism, population, community, ecosystem, biosphere

Both living (biotic) and nonliving(abiotic) things in an area

Only living things (biotic) in a given area

Only nonliving things (abiotic) in a given area

A single type of living thing in its environment.

A population and a community are the same thing, a community is just bigger.

A population is all the living organisms in an area and a community includes the abiotic part of the environment as well.

A population is a group of the same organisms, a community includes all the living and nonliving parts of an environment.

A population is a group of the same organisms,while a community includes all living things in an area.

a group of living things in the same area

a single living thing

the zone of life

a single cell in an organ

50%

40%

10%

90%