What is a food web?

• A linear sequence of organisms showing feeding relationships

• A complex network of interconnecting and overlapping food chains

• A single food chain in an ecosystem

• A diagram showing only producers and consumers

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which of the following is a producer in a food web?

• Vulture

• Fungi

• Phytoplankton

• Beetle

Tags

NGSS.MS-LS2-3

What role do decomposers play in a food web?

• They produce energy from sunlight

• They consume primary consumers

• They break down organic materials into basic compounds

• They prey on secondary consumers

Tags

NGSS.MS-LS2-3

What is the typical efficiency of energy transfer between trophic levels in a food web?

• 50%

• 25%

• 10%

• 75%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How can changes in precipitation types affect marine food webs?

• By altering the roles of producers

• By changing the energy efficiency between trophic levels

• By impacting ocean currents

• By increasing the number of decomposers

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4