Biodiversity, Food chain, food web, energy flow

What is the role of a producer?

• Use sunlight to make food
• Gain energy from eating other organisms
• Keep other species from overpopulating
• Breaking down dead stuff 

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What is the role of decomposers in a food chain?

• Use sunlight to make food
• Eat other organisms to gain energy
• Make the food for the whole food chain
• Break down dead organisms and add nutrients to the soil

Tags

NGSS.MS-LS2-3

Which type of consumer eats plants only?

• Herbivores
• Omnivores
• Carnivores
• Scavengers

What is a food web?

• a web created by a spider to trap its food
• a network of food chains in an ecosystem
• a community of plants and animals
• the food that one animal eats

Tags

NGSS.5-LS2-1

Which two consumers in this food web are both predator and prey?

• grasshopper and bird

• bird and snake

• snake and owl

• plant and grasshopper

Tags

NGSS.MS-LS2-2

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

The term biodiversity means:

• a wide variety of plants and animals in an ecosystem
• only a few types of plants and animals in an ecosystem
• an ecosystem composed mostly of plants
• an ecosystem composed mostly of animals

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NGSS.MS-LS2-5

An energy pyramid represents what?

• How much sunlight is available for the ecosystem to use. 
• How much energy a particular organism needs. 
• How much energy is needed to build a pyramid. 
• The amount of energy available to the next 'feeder' in a food web.

Tags

NGSS.MS-LS2-3

The largest group of organisms found in a food web would be:

• Primary Consumers
• Producers
• Decomposers
• Tertiary Consumers

Tags

NGSS.MS-LS2-2

An animal that hunts other animals for food is a ___________

• herbivore
• predator
• prey
• omnivore