Grade 5 test no.2

A __________ shows one path of how energy moves in an ecosystem.

• food chain

• life cycle

• food web

Both food chains and food webs show how _____________ flows through an ecosystem.

• oxygen

• carbon dioxide

• energy

• water

Which of the following are examples of decomposers? Select all correct answers.

• worms

• bacteria

• butterflies

• mushrooms

Example of a consumer

• worm

• mushroom

• flower

• hawk

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.

• They show what direction the energy is flowing between organisms.

• It shows how sunlight flows within an ecosystem.

• They represent how water is transferred within a habitat.

A food web can be broken down into several seperate

• food pyramids

• producers

• consumers

• food chains

Step (section) in the food chain, food web, or ecological pyramid

• trophic level

• abiotic factors

• community

• ecosystem

How do we call the Non-living factor that affects an ecosystem

• biotic factors

• abiotic factors

• biome

• food chains

Consumer that eats animals or meat

• omnivore

• producers

• herbivore

• carnivore

Choose the most common acids used in the lab:

• hydrochloric acid

• tannic acid

• nitric acid

• sulfuric acid

• ascorbic acid