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Seagrass and Kelp
Seagrass and Kelp
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Answers
1
What do manatees eat?
turtle grass
phytoplankton
kelp
cordgrass
2
What is the main pigment in green algae?
chlorophyll
bilirubin
red
fucoxanthin
3
What Are Kelp ¨Leaves¨ Called?
Blades
Yes
Stems
leaves
4
How do animals benefit from the seagrass?
because sharks don't go in the seagrasses
a place to go on vacation
money
protection
5
How does planting seagrass prevent erosion?
It blocks the water.
It blocks the wind.
It keeps the sand dry.
Its roots help hold the sand in place.
6
What do sea otters eat?
fish
seagrass
sea urchins
kelp
7
How many species of seagrass have been found?
62
76
58
60
8
Where does most photosynthesis occur in the kelp?
blade
leaf
holdfast
gas bladder
9
What kingdom do kelp belong to?
Protista
Phaeophyta
Plantae
Chlorophyta
10
An underground horizontal stem on a seagrass plant
blade
stipe
leaf
rhizome
11
A seagrass is...
An algae
Gymnosperm
Angiosperm
Angiongan
12
Kelp forests and seagrass beds decrease water flow
which increases nutrient levels
which reduces beach erosion
which helps with photosynthesis
which increases water quality
13
Which of the following is a benefit of kelp farms?
they don't require sunlight
they can be grown in fresh and salt water
they don't require water and fertilizer
they grow slowly so they provide habitat for a long time
14
Seagrass reproduces by...
spread pollen by fish feces.
spreading pollen on water currents.
spreading pollen by fish movement
Pollen pollinate the same plant the pollen was released from
15
If water is cloudy, what cannot penetrate through to seagrass?
sunlight
chemicals
food
animals
16
What is the most common seagrass in the Gulf of Mexico?
Turtle grass
Sargassum
Shrimp grass
Elephant grass
17
What division are green algae?
Rhodophyta
Phaeophyta
Protista
Chlorophyta
18
What is the keystone species in kelp?
Sea urchins
Otters
Starfish
Octopus
19
Why are mangrove swamps disappearing?
they're being destroyed for shrimp farms
people are using them for firewood
disease
they are having trouble reproducing
20
What kingdom are seagrasses in?
Protista
Animalia
Plantae
Rhodophyta
21
what part of the kelp keeps it in the ocean
gas bladder
holdfast
blade
stipe
22
Name an animal that lives in the seagrass
whale
Alligator
Great White Shark
shrimp
23
What structure on kelp helps with buoyancy?
blade
leaf
holdfast
pneumatocyst
24
Where are you most likely to find seagrass?
A coral reef
Ice caps
In a forest
In shallow ocean waters
25
Plants have which of the following?
leaves
veins
all of the above
roots
