L3: Ecological Communities

What is an ecological community?

• A) A group of organisms of the same species

• B) All the organisms in an area interacting with one another and their environment

• C) A single organism in an ecosystem

• D) A group of plants in a forest.

Producers are organisms that can convert sunlight into chemical energy through what process?

• Respiration

• Photosynthesis

• Digestion

• Fermentation

Producers are also called ________.

• Heterotrophs

• Autotrophs

• Decomposers

• Consumers

An ecological community consists of all the organisms in an area interacting with one another and their ________.

• Food

• Environment

• Predators

• Offspring

What is the role of producers in an ecological community?

• To consume other organisms

• To produce energy for consumers

• To decompose organic matter

• To compete with consumers.

In an ecological community, ________ are at the base of the energy pyramid.

• A) Primary consumers

• B) Secondary consumers

• C) Producers

• D) Omnivores

Herbivores are considered ________ consumers.

• A) Primary

• B) Secondary

• C) Tertiary

• D) Quaternary

In an ecosystem, energy is transferred from one trophic level to the next, but most of the energy is lost as ______.

• Light

• Sound

• Heat

• Biomass

Which organism is a tertiary consumer?

• Frog

• Owl

• Rat

• Bee

Energy transfer in a food web is represented by a ______.

• Circle

• Pyramid

• Square

• Line