Ecosystems

Producers are ...

• plants

• able to do photosynthesis

• also called autotrophs

• all of these are true

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Arrows in a food web represent...

• eating

• sunlight

• energy

• matter

Tags

NGSS.MS-LS2-3

Who is the producer?

• lettuce

• greenfly

• ladybird

• thrush

Tags

NGSS.MS-LS2-3

• This is a food chain

• This is a food web

• This is an energy pyramid

Tags

NGSS.MS-LS2-2

The original source of energy for a food web is...

• plants

• sun

• producers

• decomposers

On average how much energy moves from one trophic level to the next?

• 5%

• 10%

• 50%

• 90%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Decomposers get energy from...

• the sun

• eating plants

• eating animals

• dead things and waste

Tags

NGSS.MS-LS2-3

A relationship between two species where one benefits while the other is harmed.

• Mutualism
• Commensalism
• Parasitism
• Naturalism

A frog eats a fly. The frog and fly are demonstrating ________.

• mutualism
• competition
• predator/prey
• parasitism

A relationship between two organisms in which one organism benefits and the other is unharmed

• Mutualism 
• Competition
• Parasitsm 
• Commensalism