Trophic Levels, Food Chains/Webs, Symbiotic Relationships

Often found at the BOTTOM of the food chain, these organisms create their own food by using the Sun's energy and contribute most of the energy in an ecosystem. Which TROPHIC level is being described?

• primary consumers

• producers

• secondary consumers

• tertiary consumers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

These organisms, which are generally HERBIVORES, are the first to consume producers. Which TROPHIC level is being described?

• primary consumers

• secondary consumers

• tertiary consumers

• decomposers

Tags

NGSS.MS-LS2-2

These organisms consume primary consumers. Which TROPHIC level is being described?

• tertiary consumers

• secondary consumers

• quaternary consumers

These organisms consume secondary consumers in a food chain or web. Which TROPHIC level is being described?

• primary consumers

• tertiary consumers

• quaternary consumers

Looking at this food web, which organism represents the trophic level of producer?

• rabbit

• grasses

• grasshopper

• bird

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Looking at this food web, which organisms represent the trophic level of primary consumers?

• grasses

• grasshopper, mouse, rabbit

• fox, owl, frog, bird

• hawk, snake, fox

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which organism in this food chain is an herbivore?

• eagle

• snake

• grasshopper

• mouse

Tags

NGSS.MS-LS2-3

Which organisms in this food chain are possibly carnivores based off the image?

• grass and grasshopper

• mouse, snake, eagle

• grasshopper, mouse

• grasshopper, eagle

In the energy pyramid here, which organisms have the most energy available?

• Producers

• primary consumer

• secondary consumer

• tertiary consumer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of these organisms are heterotrophs?

• grass, grasshopper

• grasshopper, mouse

• grasshopper, mouse, snake, eagle

• mouse, snake, eagle

Tags

NGSS.MS-LS2-3