Marine Science Final Exam REVIEW

Which of the following are single-celled organisms found in marine environments?

• Prokaryotes

• Multicellular algae

• Sponges

• Cnidarians

Tags

NGSS.MS-LS1-1

Which of the following is a characteristic of prokaryotes?

• They have a nucleus.

• They lack a nucleus.

• They are multicellular.

• They have complex organelles.

What distinguishes multicellular algae from unicellular algae?

• Presence of chlorophyll

• Ability to photosynthesize

• More complex

• Living in freshwater

Which marine flowering plant is known for its role in stabilizing coastal environments?

• Seaweed

• Seagrass

• Kelp

• Coral

What is a unique feature of sponges?

• They have a nervous system.

• They filter feed through pores.

• They have tentacles.

• They are photosynthetic.

Cnidarians are known for having which of the following?

• A hard shell

• Stinging cells

• A segmented body

• A backbone

Comb jellies are different from jellyfish because they lack:

• Tentacles

• Stinging cells

• A mouth

• Bioluminescence

Tags

NGSS.MS-LS4-2

Which of the following is a characteristic of marine worms?

• They have a hard exoskeleton.

• They are all parasitic.

• They have a segmented body.

• They are photosynthetic.

Tags

NGSS.MS-LS4-2

Molluscs are known for having which of the following features?

• A) A soft body

• B) A segmented body

• C) A hard exoskeleton

• D) Tentacles

How do multicellular algae contribute to marine ecosystems?

• By providing oxygen

• By forming coral reefs

• By being a food source

• Both A and C

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6