ESL 5 Science / 3.1 Energy Flow in Ecosystems

ESL 5 Science / 3.1 Energy Flow in Ecosystems

Multiple Choice

The living things in an environment are _____ factors.

• abiotic

• biotic

• community

• omnivore

Multiple Choice

The nonliving things in an environment are _____ factors.

• abiotic

• carnivore

• ecosystem

• population

Fill in the Blank

I include all living and nonliving things in an environment.

Fill in the Blank

All the members of a single species in an ecosystem are part of me.

Fill in the Blank

I include all living things in an ecosystem.

Fill in the Blank

I am the path that energy takes as it moves from one organism to another in an ecosystem.

Multiple Choice

At the base of each food chain are _____ that use the Sun's energy to make sugar and oxygen during photosynthesis.

• carnivores

• decomposers

• herbivores

• producers

Multiple Choice

The sugars from plants provide food for _____, or plant-eating animals.

• carnivores

• consumers

• herbivores

• omnivores

Multiple Choice

Organisms in an ecosystem that break down dead or decaying plants and animals are _____.

• decomposers

• predators

• producers

• scavengers

Multiple Choice

Animals such as vultures and raccoons are _____ that eat dead bodies after they have started to rot.

• carnivores

• consumers

• primary consumers

• scavengers

Fill in the Blank

I am a network of food chains that are connected.

Fill in the Blank

I am an animal that hunts other animals for food.

Fill in the Blank

Predators hunt me for food.

Fill in the Blank

I am a diagram that shows the amount of energy available at each level of an ecosystem.

Multiple Choice

At each level of an energy pyramid, about _____ percent of the energy from the level below is lost.

• 10

• 25

• 50

• 90

Multiple Choice

Removing a species from a food web can throw an ecosystem out of _____.

• balance

• energy

• hunt

• photosynthesis