Ecosystems and Fossils Assessment

What is a food chain?

• A store that sells food

• A sequence showing how energy flows from one organism to another

• A group of animals living together

• A type of plant that grows in chains

In a pond ecosystem, which organism is typically a producer?

• Fish

• Algae

• Frog

• Dragonfly

What would likely happen if all the bees disappeared from a field?

• More flowers would grow

• Plants would produce more nectar

• Many plants would fail to reproduce

• Insects would become producers

What is a fossil?

• A. A type of rock

• B. Evidence of past living organisms

• C. A modern animal bone

• D. A piece of wood

What happens to most organisms during a severe drought?

• They all adapt quickly

• They move to wetter locations or may perish

• They become stronger

• They turn into fossils

Which is an example of a common Texas fossil?

• Dinosaur footprints

• Modern seashells

• Fresh leaves

• Living coral

In a food chain, what do arrows represent?

• Animal movement

• Plant growth

• Energy flow

• Water flow

If frogs disappear from a pond, what might increase in number?

• Fish

• Insects

• Water plants

• Birds

During a flood, which organisms are most likely to survive?

• Those that can swim or float

• Those that live underground

• Those that need dry conditions

• Small insects

What role do plants play in a food chain?

• Consumers

• Decomposers

• Producers

• Predators