Unit 4 Quiz Review

Which is the most productive benthic ecosystem?

• sandy shore

• rocky shore

• sea grasses

• kelp forests

Tags

NGSS.MS-LS2-3

Which phyla includes corals and sea anemones?

• mollusca

• porifera

• arthropoda

• cnidaria

Arthropods have an exoskeleton made of which protein?

• chitin

• cnidocytes

• pneumatocyst

• keratin

Kelp has roots.

• True

• False

What is the name of the structure at the very bottom of the diagram?

• stipe

• holdfast

• blade

• root structure

Kelp forests need colder regions to survive.

• True

• False

Which of the following explains how cnidarians grow?

• they slowly add layers of material on the ventral margin of their shell

• they regenerate lost body parts

• they molt be shedding their skeleton

• larger individuals bud off smaller ones

Tags

NGSS.MS-LS3-2

Which of the following explains how arthropods grow?

• they slowly add layers of material on the ventral margin of their shell

• they regenerate lost body parts

• they molt be shedding their skeleton

• larger individuals bud off smaller ones

What do Echinoderms use for attachment and locomotion?

• muscular foot

• tubed feet

• spines

• exoskeleton

Which organism is important for reducing the effects of ocean acidification?

• sea anemone

• sea cucumber

• bull kelp

• crown of thorns sea star