Oceanic Food Webs

Food webs show the flow of _______ in an ecosystem.

• nutrients

• energy

• hierarchy

• food chains

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Most oceanic food chains have at least ___ levels.

• 2

• 6

• 4

• 3

Tags

NGSS.MS-LS2-3

________ and ______ are both important producers.

• seaweed and sea grass

• sharks and whales

• zooplankton and krill

• trees and birds

Tags

NGSS.MS-LS2-3

These drifting plants are mostly invisible to the human eye.

• Plants

• Zoo animals

• Photosynthesis

• Phytoplankton

Tags

NGSS.MS-LS2-3

Cytoplankton rely on ________and live near the ______ of the ocean.

• sunlight/surface

• darkness/depths

• producers/surface

• photosynthesis/trenches

Tags

NGSS.MS-LS1-6

Cytoplankton produce about ____ of the Earth's oxygen?

• 75%

• 50%

• 1%

• 10%

Tags

NGSS.MS-LS1-6

Level one (primary) consumers mainly get their energy from eating cytoplankton and plants.

• True

• False

Tags

NGSS.MS-LS2-3

Level 3 consumers are are considered _________ because they only eat other animals for energy.

• omnivores

• herbivores

• carnivores

• zooplankton

Level 4 consumers are usually eaten by other consumers because they are not great predators.

• True

• False

Which of these are NOT a Level 4 predator?

• Sharks

• Seals

• Whales

• Crabs