Populations and Resources Chapter 2 and 3

A population that is eaten by organisms from another population is a ____________________ population.

• Competition
• Consumer
• Resource

A population that eats organisms from another population is a ____________________ population.

• Sample
• Consumer
• Resource

What do the arrows mean on a food chain or food web?

• The direction the organism eats
• The direction that the energy transfers
• The direction of bigger organisms

In the food chain pictured, what does the snake eat?

• owl
• grasshopper
• grass
• bluebird

A ________________________________ is all the living and non-living things interacting in a particular area.

• Population
• Ecosystem
• Sample
• Organisms

Living things such as plants, animals and bacteria are________________?

• Populations
• Organisms
• Ecosystems

What is a molecule that organisms can use to release the energy they need to survive?

• an energy storage molecule
• a water storage molecule
• an internal storage molecule

A model that shows what eats what in an ecosystem is a _______________.

• Food Energy Model
• Food Storage Chart
• Food Web

Which is NOT an energy storage molecules?

• glucose
• fats
• water
• starch

What is an indirect effect?

• the result of one cause stopping a desired effect
• when there is a direct relationship between one organism and the next
• the result of one cause leading to an effect that causes one or more other effects