Texas Science Chapter 9: Changes in Ecosystems

What happens to trees during tornadoes and hurricanes?

• They grow taller.

• They can topple over.

• They change color.

• They become stronger.

What is a drought?

• A period of heavy rain.

• A long period with little or no rain.

• A sudden snowstorm.

• A type of flood.

What plant grows well after a forest fire?

• Cactus

• Fireweed

• Oak tree

• Pine tree

How do birds survive a hurricane?

• By hiding underground.

• By flying within the eye of the hurricane.

• By swimming in the ocean.

• By building stronger nests.

What happens to animals during a drought?

• They stay in one place.

• They might move to find food and water.

• They grow larger.

• They become invisible.

Where is the safest place for a gopher tortoise during a forest fire?

• In a tree.

• Underground in its burrow.

• In a river.

• On top of a hill.

What happens to a river when it floods?

• It dries up completely.

• It drops silt onto the land.

• It becomes a desert.

• It freezes over.

How do certain catfish survive a drought?

• By flying to a new pond.

• By walking on their fins to find a deeper home.

• By digging underground.

• By climbing trees.

What is the "eye" of a hurricane?

• The strongest part of the storm.

• A calm region with pleasant weather.

• The coldest part of the storm.

• The wettest part of the storm.

What might happen to plants during a severe drought?

• They grow faster.

• They gradually die.

• They change color.

• They become poisonous.