Matter & Energy Flow

Which of the following types of organisms would benefit most directly from the products of decomposer organisms?

• Decomposers
• Primary consumers
• Secondary consumers
• Producers

Tags

NGSS.MS-LS2-3

Which of these best explains why predators need plants, such as grass, in their ecosystem?

• Plants are a large part of their diets
• Plants provide safety for predators
• Plants break down the organisms that the predators eat
• Plants provide food for their animals that the predators eat

What is indicated by the diagram?

• Food web
• Food chain
• Food map
• Food menu

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What do the arrows indicate in a food web?

• What eats what
• Where the energy is being transferred
• How the animals are related

Tags

NGSS.MS-LS2-3

Suppose that a llama is hit by a truck and dies. Where will most of the biological matter in the llama go next?

• To top level predatory animals
• To the soil to be used by plants
• To first order consumers that might eat the llama
• To microorganisms that decompose and recycle matter

Tags

NGSS.MS-LS2-3

An organism that eats both plants and animals are know as a 

• Carnivore
• Omnivore
• Herbivore
• Decomposer

Autotrophs are organisms that produce their own food. Which do scientist classify as autotrophs?

• Chordates
• Fungi
• Plants
• Molds

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the first source of energy for all food webs?

• Plants
• Sunlight
• Mineral in the soil
• Decomposers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which ocean organism is considered a producer?

• Phytoplankton
• Zooplankton
• Small fish
• Whales

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

All living things are made of _______, and all living things need _______. 

• matter, plants
• energy, matter
• matter, energy