Ecology Unit 1_1

Study of interactions between organisms and their environment

• niche

• community

• ecology

• ecosystem

What level of ecological organization would include all squirrels that live in the same area?

• biome

• community

• ecosystem

• population

A group of very similar organisms that can mate and reproduce offspring of the same type

• Community

• Population

• Species

• Niche

Which of the following is the highest level of organization within the environment?

• population

• organism

• ecosystem

• biosphere

This group of organisms are made up of predominately autotrophs, either photoautotrophs or chemoautotrophs

• producers

• primary consumers

• tertiary consumers

• decomposers

These organisms must eat to obtain their energy

• autotrophs

• heterotrophs

• producers

• niche

The rabbits and squirrels in an area are a part of the same

• population 
• community

Organisms that are similar enough to reproduce are grouped into a

• species
• population 
• community
• biome

Consumer that eats plants

• heterotroph
• herbivore
• producer
• community

Series of steps in which organisms transfer energy by eating and being eaten

• foodweb
• consumer
• food chain
• omnivore