Unit 6: Energy Flow in Ecosystems

Which organism is at the base of the ocean food web according to the diagram?

• Sea bass

• Phytoplankton

• Sea birds

• Orcas

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

In the ocean food web, ________ eat sardines.

• Sea bass, Sea birds, Whale sharks

• Dolphins, Jellyfish, Crabs

• Octopuses, Sea turtles, Plankton

• Seals, Starfish, Sea urchins

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-2

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

• Plankton

• Phytoplankton

• Sea turtles

• Octopuses

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Match the following organisms to what they eat in the ocean food web:

• C

• Plankton

• D

• Molluscs

• A

• Sea bass

• B

• Rays

Tags

NGSS.MS-LS2-3

What is the amount of energy received from sunlight per year?

• 1,700,000 kcal/m²/yr

• 20,810 kcal/m²/yr

• 13,187 kcal/m²/yr

• 5,060 kcal/m²/yr

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Refer to the diagram 'Energy flow in ecosystem'. Which group has the highest gross productivity?

• A) Primary producers

• B) Primary consumers

• C) Secondary consumers

• D) Tertiary consumers

Tags

NGSS.MS-LS2-3

Refer to the diagram 'Energy flow in ecosystem'. Fill in the blank: The net productivity of primary consumers is ______ kcal/m²/yr.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which trophic level receives 383 kcal/m²/yr as gross productivity?

• Primary producers

• Primary consumers

• Secondary consumers

• Tertiary consumers

What is the total heat and respiration value shown in the diagram?

• 20,810

• 15,500

• 18,200

• 22,000

Tags

NGSS.MS-LS2-3

Decomposers receive energy from all trophic levels.

• True

• False

Tags

NGSS.MS-LS2-3