Living Things and Ecosystems

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

• ecosystem

• organism

• nutrient

• environment

Tags

NGSS.MS-LS2-2

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

• chemists

• botanists

• ecologists

• economists

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

A(n) _______ is any organism that makes its own food.

• animal

• herbivore

• producer

• consumer

Tags

NGSS.MS-LS1-6

Energy enters most ecosystems as _____.

• sunlight

• moving air

• water currents

• electricity

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

During photosynthesis, plants produce​ _____ and _____.

• sugar

• oxygen

• light

• carbon dioxide

Tags

NGSS.MS-LS1-6

A lion is a(n) ______, an organism that gets food by eating other organisms.

• plant

• producer

• consumer

• herbivore

When an animal eats more food than it needs right away, its body...

• ..changes all the food energy into heat.

• ..stores the extra food energy for later.

• ..releases all the energy so it does not get fat.

• ..converts the energy into sodium to use later.

Tags

NGSS.MS-LS1-7

While hiking through a nearby forest, you find some fungi growing on a tree stump. What role does the fungi play in the ecosystem?

• It breaks down dead tree matter.

• It eats living organisms and their waste.

• It uses sunlight to produce energy for the tree.

• It produces oxygen that other forest organisms use to survive.

Tags

NGSS.MS-LS2-3

Living things obtain​ ​ (a)   from their environment and release ​ (b)   back into it.

​

• matter
• waste
• energy
• sunlight

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3