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Jamaica Mangrove and Soil

Total questions: 38

Worksheet time: 38mins

Name
Class
Date
1.
What is soil?
a)
A mixture of minerals
b)
A mixture of water, minerals, gases and organic matter
c)
A type of rock
d)
A type of bacteria
2.
What does weathering mean?
a)
To form or create new
b)
To build up
c)
To break down
d)
To completely destroy
3.
Which of the following is the largest particle in soil?
a)
sand
b)
silt
c)
humus
d)
clay
4.

_______ is the type of soil used most often with plants and on farms. It is a mixture of clay, sand, and silt.

a)

loam

b)

humus

c)

soil

d)

dirt

5.
Which type of soil can hold the greatest amount of water?
a)
sand
b)
silt
c)
clay
d)
loam
6.
Wind blowing dirt and sand through the air is an example of...
a)
weathering 
b)
erosion
7.
Water gets into the cracks of rock and freezes, causing the rock to break.  What is this an example of?
a)
erosion
b)
weathering
8.
Soil is made of
a)
weathered rocks and minerals
b)
dead plants and animals
c)
air and water
d)
all of the above
9.
Are there minerals in soil?
a)
Yes
b)
No
10.
Humus is.....
a)
the dead parts of plants and animals in soil.
b)
A food we eat with pretzels.
c)
The tiny particles inside of soil
d)
The roots that come off of a plant and live in soil.
11.
What is the layer of soil just below the topsoil?
a)
soil
b)
subsoil
c)
topsoil
d)
terrace farming
12.
Which layer of soil are these roots growing in?
a)
subsoil
b)
topsoil
13.
The texture of soil depends mainly on
a)
the types of plants that grow in the soil.
b)
the size of the particles in the soil.
c)
the color of the soil.
d)
the number of worms in the soil.
14.
Why is topsoil darker than all other levels of soil?
a)
It contains all the darker colored minerals
b)
It contains volcanic rock
c)
It contains more organic matter
d)
It contains bits of burned trees
15.

Soil is formed slowly as rock (the parent material) erodes into tiny pieces near the Earth's surface. Organic matter decays and mixes with inorganic material (rock particles, minerals and water) to form soil.

(True or False)

a)

True

b)

False

16.

Mangrove swamps occur in warm climates near the __________________.

a)

forest

b)

oceans

c)

lakes

d)

mountains

17.

Brackish means that the water is

a)

only salt water

b)

a mix of fresh and salt water

c)

only fresh water

d)

dirty water

18.
Most ocean pollution is caused by
a)
mans activities on land.
b)
mans activities in the ocean.
c)
none of these.
19.
Besides food and oxygen, what other role do marine plants do for marine organisms?
a)
habitats
b)
carbon dioxide
c)
light
d)
all of the above
20.

__________ are a group of trees and shrubs that live in the coastal inter-tidal zone.

a)

Mangroves

b)

Rain forests

c)

Woodland

d)

Forest

21.
Mangrove trees are one of the only type of ___________________ that is adapted to grow in the salty water.
a)
guardian
b)
vegetation
c)
endangered
d)
restore
22.
Living things such as the mangrove trees have adaptations that make them __________, or different from other living things in other ecosystems.
a)
restore
b)
conserve
c)
endangered
d)
unique
23.
What is the significance to the Mangroves?
a)
They protect shorelines from bad weather
b)
mangrove forests are home to a large variety of fishes
24.
Are Mangrove forest located in tropical settings near the equator
a)
False
b)
True
25.
Which is not a characteristic of mangroves?
a)
Muddy
b)
Shallow
c)
Trees/bushes
d)
Deep
26.
What are the threats to mangroves forest
a)
Rising sea levels
b)
Clearing
c)
Forest Fire's
d)
All Of The Above
27.

Which of these is necessary for a red mangrove to grow

a)

deep soil

b)

shallow water

c)

cool weather

d)

strong winds

28.
Coral reefs protects the mangrove from being eroded by the sea. True or false?
a)
True
b)
False
29.

Many species use the mangrove _____ as shelter, like ______, sponges, ________, rats, mongoose, snails and _______, and the trees act as a buffer from the ________, as well as a filter for carbon dioxide.

(Fill in Blanks)

a)

roots ; crabs, oysters, fish, elements,

b)

water, whales, squid, clowns, snow,

30.

Mangroves protect coastlines from erosion by acting as a natural barrier and flood defense.

(True or False)

a)

True

b)

False

31.

Salinity means the level of _______________in the water.

a)

oxygen

b)

salt

c)

nitrogen

d)

salcite

32.
What type of water do Mangrove plants live in? 
a)
Fresh
b)
Brackish
c)
Ocean
d)
Clean
33.

How many species of Mangroves do we have in Jamaica

a)

1

b)

2

c)

3

d)

4

34.

The mangrove of the Palisadoes / Port Royal areas, are under threat from solid waste and other forms of pollution in the Kingston Harbour.

a)

True

b)

False

35.

________ from gullies prevents mangrove forests from naturally regenerating from seeds, as the young plants are often broken by the __________ from gullies, or cannot take root in sand/mud covered by garbage.

a)

Fresh Water / rocks

b)

Fish / planes

c)

Garbage / solid waste

36.

Mangroves have over _____ scientific uses, including coastline protection.

a)

200

b)

50

c)

4

d)

10

37.

Mangroves in Jamaica provide the creation of :

a)

a nursery or feeding ground for commercially important fish,

b)

the recycling of nutrients that assures continued productivity of coastal waters

c)

ecotourism (bird-watching)

d)

water-quality improvements.

e)

All of the above

38.

The main species of mangroves in Jamaica are :

a)

Red (Rhizophora mangle)

b)

Black (Avicennia germinans)

c)

White (Laguncularia racemosa)

d)

Button (Conocarpus erectus)

e)

All of the above

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