Matter & Energy in Ecosystems

Temperature, light, air, water, and soil are all ___________ factors of the environment.

• biotic

• abiotic

• dead

• scavened

Which of the following is a biotic factor in the forest ecosystem?

• water

• rocks

• sunlight

• grass

Tags

NGSS.MS-LS2-2

A living or once-living thing in an ecosystem is a(n) _______.

• biotic

• population

• abiotic

• resource

Tags

NGSS.MS-LS1-1

Elephants

• abiotic factor

• biotic factor

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Grass

• abiotic factor

• biotic factor

Tags

NGSS.MS-LS1-5

What are the abiotic factors in this image? 

• water, sunlight, dirt, air

• birds, water, dirt

• birds and plants

• plants, water

Tags

NGSS.MS-LS2-3

Which of the following represents the reactants (raw materials) of photosynthesis?

• sunlight, carbon dioxide, and oxygen

• glucose and oxygen

• 
  sunlight, carbon dioxide, and water

• sunlight, water and glucose

Tags

NGSS.MS-LS1-6

The ultimate source of energy for all living things is

• producers

• decomposers

• 1st level consumers

• the sun

The most energy is available at the ___ level.

• 1st level consumers

• producers

• the sun

• top-level consumers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

An organism that obtains energy by feeding on other organisms is a

• producer

• autotroph

• consumer

• autotroph