Animals Unit Part 2

Changes to the Environment, Extinction, and Endangered Species

Changes in Air, Land, and Water

*Adaptations HELP plants and animals survive in their environments BUT some objects or substances make it HARDER for living things to stay alive.

Multiple Choice

What is pollution?

• a long, deep sleep

• anything harmful added to the land, air, or water

Multiple Select

What is air pollution? Check all that apply.

• volcanoes

• forest fires

• bottles

• cans

• exhaust from cars

Multiple Select

What is land and soil pollution? Check all that apply.

• garbage

• litter

• volcanoes

Multiple Choice

What is litter?

• trespassing

• bottles, cans, and wrappers thrown on the ground.

Multiple Choice

An oil spill is an example of water pollution.

• True

• False

Multiple Select

How can you protect the environment? Check all that apply.

• recycling

• car pooling

• riding a bike

• throwing garbage on the ground

• rescue animals

Multiple Choice

What does endangered mean?

• no longer existing

• having a population that is falling low in number and that is in danger of becoming extinct

• any mark or remains of a plant or animal that lived a long time ago

Multiple Choice

What does extinct mean?

• no longer existing

• having a population that is falling low in number and that is in danger of becoming extinct

• any mark or remains of a plant or animal that lived a long time ago

Causes of Extinct and Endangered Animals

• Happens naturally as habitats change over time

• Habitats can be destroyed

• Animals are hunted

Multiple Choice

What is a fossil?

• any mark or remains of a plant or animal that lived a long time ago

• an harmful substance in the land, water, or air.

Multiple Select

Choose all the examples of fossils.

• shells

• bones

• garbage

• footprints

• imprints

Scientists study fossils to learn about plants and animals that lived long ago 

Multiple Choice

Scientists can guess what kinds of food an animal ate by studying its teeth in the fossil.

• False

• True

Multiple Choice

What living things make their own food?

• consumers

• decomposers

• producers

Multiple Choice

What is a living thing that takes apart dead organisms called?

• producer

• decomposer

• consumer

Multiple Choice

What cannot make their own food and need to get it from producers or other consumers?

• consumers

• producers

• decomposers

Multiple Choice

What is a herbivore?

• They eat only plants.

• They eat only meat.

• They eat both plants and meat.

Multiple Choice

What is a carnivore?

• They eat both plants and animals

• They eat only plants

• They eat only meats

Multiple Choice

What is an omnivore?

• Eat only plants

• Eat only meat

• Eat both plants and animals