Living Systems Test Prep

Match the following organisms to their role in the ecosystem.

• Producer

• 
• Decomposer

• 
• Consumer

• 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Organize the pictures into the appropriate categories.

Groups:

(a) Organism

,

(b) Population

,

(c) Community

,

(d) Ecosystem

• 
• 
• 
• 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

An animal's role or job in the ecosystem is also known as its ​ (a)  

• niche.
• habitat.
• food web.
• life cycle.

Which of the organisms in this food web is the producer?

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Reposition the following organisms to show the correct flow of energy in this food web (from left to right).

• 
• 
• 
• 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

In this food web, which three organisms would be immediately harmed if the mouse population declined?

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

In this food web, snakes get energy from ​ (a)   and ​ (b)   ​

• mice
• acorns
• snakes
• salamanders
• insects
• pine trees
• the Sun

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which organism provides energy for more than one organism in this food web?

• Bird

• Plant

• Fox

• Mouse

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

(a)   are the organisms that break down dead and rotting leaves in the fall.

• Decomposers
• Consumers
• Producers

Tags

NGSS.MS-LS2-3

Which of the following is NOT part of a bird's niche?

• Eating worms and seeds.

• Being prey for snakes.

• Laying eggs.

• Flying into windows.

Tags

NGSS.MS-LS2-4