Ch 2 science web

Interactions of Interactions of Living ThingsLiving Things

Science Science Chapter 2Chapter 2

An ecosystem has…

1. only trees and people. 2. only nonliving things. 3. only living things. 4. both living and nonliving

things.

producer

• A(n) ____________________ is an organism that makes its own food.

The place where a plant or animal lives is called its…

1. species2. habitat3. adaptation4. prey

In a rainforest, what are some limited resources that plants need? Why?

1. Nutrients in the soil would be limited because so many plants grow there.

2. Sunlight is limited because the taller plants shade the plants below.

pollinator

• An animal that helps plants make seeds by moving pollen is called a(n) ____________________.

What do animals use camouflage for?

1. to look like another organism.

2. to survive habitat change

3. to hide from predators and prey

4. to sleep so they save energy

How do the bee and the plant depend on each other?

1. The plant needs the bee for food.

2. The plant needs the bee to reproduce.

3. The bee does not need the plant.

4. The bee needs the plant to reproduce.

Which organism makes its own food?

1. mouse2. all of them3. fox4. grass

adaptation• A(n)

____________________ can be a physical feature or a behavior that helps a plant or animal survive.

What does NOT happen to the food an animal eats?

1. The food is used for energy.

2. The food passes through the animal.

3. The food disappears.4. The food breaks down.

consumer

• An organism that eats plants or eats other animals that eat plants is a(n) ____________________.

A rabbit running in a zigzag ahead of a fox is a rabbit’s …

1. game.2. environment.3. behavior.4. food.

extinction• __________

__________ is when all members of a species die out.

Camouflage is a kind of …

1. disguise.2. food.3. place to live.4. behavior.

Living things get energy from…

1. air2. food3. soil4. water

Which organism is a carnivore?

1. tree2. lion3. mold4. ant

prey• ____________________ is any

animal that is hunted for food.

Plants and animals compete for food, water, and …

1. space2. warmth3. shade4. sunlight

Use the Chart: Inquiry

In which year was the deer population the largest?

The smallest?

year 15

year 30

All organisms do one of these two jobs:

1. save food and use it.

2. make food or eat it.

3. shop for food or cook it.

4. hunt for food and grow it.

Organisms compete for resources because…

1. resources are plentiful.

2. resources become extinct.

3. resources are scarce. 4. resources are limited.

species

• A group of organisms that produces organisms of the same kind is a(n) ______________.

camouflage

• _______________ is the physical appearance of an animal that helps it blend in with its surroundings.

mimicry

• ________________ is an adaptation that allows an animal to protect itself by looking like another organism.