Ecosystem Basics
Species & Survival
Invasion Alert!
Science in Action
100

What is a community of living things and their environment called?

ecosystem

100

What do we call a plant or animal that originally comes from an area?

Native Species

100

What do invasive species do that makes them harmful to ecosystems?

they spread quickly and outcompete native species

100

What is information collected to support a conclusion?

Evidence

200

What is a diagram that shows how energy flows through animals and plants?

food web

200

What is a species that is introduced from somewhere else, but not harmful?

Non-invasive species

200

What might happen if an invasive species eats all the native prey?

The native predators may die off.

200

What do scientists do when they study something deeply to learn more?

Research

300

What do we call an animal that hunts other animals?

Predator 

300

What is the natural home or environment of a plant or animal?

Habitat

300

What chain reaction can be caused by removing or adding a key species?

trophic cascade

300

What does it mean to break down information to understand it better?

Analyze

400

What is an animal that gets hunted and eaten called?

Prey

400

What do we call all the members of one species in an area?

Population

400

True or False: Invasive species always come from faraway places.

False
400

What is a collection of facts, numbers, or observations?

Data

500

What is a living thing that has a large impact on its entire ecosystem?

Keystone Species

500

What kind of species spreads quickly and harms its new environment?

Invasive Species

500

Name one invasive species in California.

cane toad, zebra mussel, etc.

500

What tool do scientists use to organize their questions and discoveries?

Research journal