NTI - Day 4

Which of the following best describes the main purpose of the food web?

• the flow of energy

• the interconnectedness of species

• the balance of the ecosystem

• predator-prey relationships

Tags

NGSS.MS-LS2-3

In a situation where a frog eats a grasshopper, the energy transfer would be from which of the following?

• producer to decomposer

• producer to primary consumer

• primary consumer to secondary consumer

• secondary consumer to primary consumer

Tags

NGSS.MS-LS2-3

What demonstrates the flow of energy and materials through ecosystems in a single pathway?

• food chain

• consumer chain

• food web

Tags

NGSS.MS-LS2-3

Energy is passed up the food chain from one trophic level to the next.

• TRUE

• FALSE

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In a food web, the arrows point from one organism to the organism it eats.

• True

• False

Tags

NGSS.MS-LS2-3

Which of the following sets of organisms do not form a food chain?

• Grass, lion, rabbit, wolf

• Plankton, man, fish, grasshopper

Tags

NGSS.MS-LS2-3

A diagram that shows feeding interactions in an ecosystem through a single pathway is called a food __________________.

In an ecosystem, how does energy always flow?

• unidirectional

• bidirectional

• multi directional

• no specific direction

Tags

NGSS.MS-LS2-3

A food web does not show predator-prey relationships.

• TRUE

• FALSE

What is the factor that restricts the number of trophic levels in a food chain?

• Decrease in energy at higher trophic levels

• Dufficient food supply

• Presence of predators

• Water

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3