Unit 1: What is an Ecosystem?

All the living and nonliving things that interact in an area make up a(n) ...

• ecosystem

• organism

• nutrient

• environment

Tags

NGSS.MS-LS2-3

What is the order of the four layers in a tropical rainforest, from bottom to top?

• canopy, forest floor, understory, emergent layer

• forest floor, understory, canopy, emergent layer

• forest floor, emergent layer, understory, canopy

• understory, forest floor, emergent layer, canopy

Are animals able to meet their needs and survive together in the same place?

• yes

• no

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Tiny plantlike organisms called _______ are food for many pond animals.

• algae

• cattails

• tadpoles

• water lillies

Some organisms can grow really big.

• true

• false

Tags

NGSS.MS-LS1-5

All animals that live in a pond ecosystem need _________.

• sunlight

• soil

• gills

• air

Tags

NGSS.MS-LS2-1

Scientist that study ecosystems and teach other people about them are called ________.

• chemists

• botanists

• ecologists

• economists

In an ecosystem, organisms meet their __________ in order to survive.

Ecologists ______ ecosystems to learn how they work.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What are some examples of the non-living components that might be in an ecosystem? Give at least 2 examples.

Tags

NGSS.MS-LS2-3