Chapter 11B, Algae

Question 1

What is called the grass of many waters

Answer 1

Algae

Question 2

Large multicellular algae are called _____

Answer 2

Seaweed

Question 3

Algae were once placed in the Kingdom _____

Answer 3

Plantae

Question 4

Small floating organisms in water

Answer 4

Plankton

Question 5

Tiny floating animals or protozoans

Answer 5

Zooplankton

Question 6

Tiny floating photosynthetic organisms (algae)

Answer 6

Phytoplankton

Question 7

What is the primary food-producing organism in aquatic environments

Answer 7

Phytoplankton

Question 8

Algae perform __% of oxygen producing photosynthesis on the planet

Answer 8

70

Question 9

List uses for algae

Answer 9

Fertilizer
Salt
Ice Cream Thickener
Wrapping sushi

Question 10

What is the basic unit of algae

Answer 10

Thallus

Question 11

Algal colonies that are not free-floating use special cells called _____

Answer 11

Holdfasts

Question 12

Algae that grow attached to something are called _____

Answer 12

Sessile

Question 13

Some algae form _____ to float

Answer 13

Air bladders

Question 14

True or False

Algae can reproduce both sexually and asexually

Answer 14

True

Question 15

A zygote with a thick, protective cover in a resting stage

Answer 15

A zygospore

Question 16

Any spore capable of moving on its own is called a _____

Answer 16

Zoospore

Question 17

Gamete cells that are not distinctively different from each other are called _____

Answer 17

Isogametes

Question 18

Gametes that differ in size and/or structure are called ____

Answer 18

Heterogametes

Question 19

Cells that produce sperm

Answer 19

Antheridiums

Question 20

Cells that produce eggs (ovum) are called _____

Answer 20

Oogonium

Question 21

Green algae are under the _____ phylum

Answer 21

Chlorophyta

Question 22

Golden algae are under the _____ phylum

Answer 22

Chrysophyta

Question 23

Brown algae are under the _____ phylum

Answer 23

Phaeophyta

Question 24

Red algae are under the _____ phylum

Answer 24

Rhodophyta

Question 25

The presence of optimum conditions for algal growth results in a rapid growth called _____

Answer 25

Bloom