CH. 6 Marine Biology

Macrophytes

Some biologists prefer to use this name for seaweeds

Holdfast

Seaweeds have these in place of roots

Pneumatocysts

Seaweeds have these in place of roots

Fucoxanthin

This pigment gives brown algae seaweeds their characteristic color.

Kepl

This is the most complex and largest of all brown algae.

T/F Seaweed reproduce only asexually using mitosis

False

T/F Kelp is the largest red algae in the world

False

T/F Primary producers are organisms that manufacture organic matter from carbon dioxide

True

T/F There are three types of seaweeds: the green, brown, and red algae.

True

T/F Mangrove seeds remain on the parent until they develop into seedlings.

True

T/F Plants that can tolerate salty environments are called epiphytes.

False

T/F Seagrasses produce pollen and depend on insects for pollination.

False

T/F Mangroves are important primary producers.

True

Looking at the table, what is A?

Green algae

Looking at the table, what is B?

Brown algae

Looking at the table, what is C?

Red algae

Looking at the table, what is D?

Flowering plants

Does…..

Seaweed being used as medicine by early humans, accurately describe how humans use seaweed?

Yes

Is it true…..

Humans cannot consume seaweeds due to the high salt content

No

Is it true….

Agar can be extracted from seaweeds and used to grow organisms for biological research.

Yes

Is it true….

Farmers sometimes use seaweeds as fertilizers for crops. 

Yes

It is true….

Seaweeds are not used in the textile industry because the plant fibers are too weak. 

No