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Take the Plunge Revision
Take the Plunge Revision
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Practice quiz
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Questions
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Answers
1
A single coral animal is called a:
polyp
pupae
exoskeleton
zooxanthallae
2
Webbed feet that help a duck swim are a:
Behavioural adaptation
Structural adaptation
Physiological adaptation
None of these
3
If the Sun is parallel to the Moon, what kind of tide is it?
Low tide
Spring tide
Neap tide
No tide
4
Cacti are found in the desert. Their swollen stem is important for:
Absorbing more sunlight
Absorbing more water
Absorbing more oxygen
Absorbing more carbon dioxide
5
Overfishing decreases fish. This could cause:
Increase in zooplankton
Increase in starfish
Increase in mussels
Decrease in octopus
6
Polar bears live in the arctic. Their white coat helps them to:
Look big
Stay healthy
Camouflage
Dry faster
7
Identify a secondary consumer:
phytoplankton
mussels
algae
octopus
8
Which is NOT an example of a behavioural adaptation?
Playing dead
Mimicry of other organisms
Claws
Flying
9
Coral bleaching is caused by loss of:
Sugar
Algae
Bacteria
Mojo
10
The Dead Sea has the highest salt levels. Why do objects (including people) float here?
Because the Dead Sea is magical
Because the mass of water displace by people is less than their mass
Because the salt water has a higher density than people
Because the water is much bigger than the people
11
What is a producer?
Makes its own food from the Sun
Consumes food for energy
Consumes plants and animals
Makes sunlight
12
What is ecology?
A branch of physics looking at heat management
A branch of biology studying environments and their inhabitants
The study of finances
A branch of chemistry looking at water quality
13
Polar bears have sharp claws and hairy soles for:
Climbing mountains
None of these
Awesome sprint
Quick sprinting
14
A 5 kg mass lowered into water causes 2 kg of water to be displaced. Whill the object float or sink?
Need more information
Sink
Float
Sit in the middle
15
What is the major reason why coral live in clear water?
Less pollution
Fewer nutrients in the water
Increased photosynthesis
More easily see food
16
The hard exoskeleton of coral is made mostly of:
Bicarbonate of soda
Calcium carbonate
Calcium dichloride
Calcium carbon dioxide
17
Where does the energy in an ecosytem come from?
Producers
Consumers
Microorganisms
The Sun
18
What is air pressure?
The force air molecules apply to their surroundings
An invisible force field
The force felt by air molecules from their surroundings
Something scientists made up to explain magic tricks
19
What causes the tides?
Sun and moon's gravity + Earth's revolution
Only moon's gravity and Earth's rotation
Sun & moon's gravity + Earth's rotation
Sun and moon's gravity + Earth's tilt
20
Coral provides algae with:
Shelter and clothing
Defense and shelter
Food and clothing
Shelter and nutrients
21
Which of the following is NOT an abiotic factor that could affect these cacti?
Humidity of the air
Other cacti living nearby
Temperature of the air
Amount of shelter
22
A group of ONE species gathered together is called a:
Individual
Community
Ecosystem
Population
23
Two or more species living together is called a(n):
Ecosystem
Population
Community
Environment
24
What is a herbivore?
A consumer which eats dead things
A consumer which only eats plants
A consumer which eats both plants and animals
A consumer which only eats animals
25
What is the density of water?
100 g/mL
5 g/mL
1 g/mL
10 g/mL
26
An adaptation is:
A characteristic which helps an organism survive
A place where an organism lives
A characteristic which prevents an organism from surviving
A stage in an organism's life cycle
27
What property is measured by displacement of water?
Volume
Mass
Pressure
Time
28
What is the formula for calculating density?
mass x volume
mass/volume
mass + volume
2 x mass x volume
29
Identify a herbivore:
Gray wolf
Maple
Red fox
Moose
30
The algae that live on the coral are called:
Xoozanthallae
Zooxanthallae
Xooxanthallae
Zoozanthallae
31
What season is the southern hemisphere experiencing at D?
Spring
Winter
Summer
Autumn
32
What happens to air pressure when particles are removed?
No change
Increases
Decreases
33
The graph shows us that 20 g of silver has:
a volume of 4 mL
A higher density than 30 g of silver
the same density as 30 g of silver
A lower density than 30 g of silver
34
What volume does 30 g of silver have?
6 mL
20 g
30 mL
3 mL
35
How long will it take for location A, to have its next high tide?
24 hours
12 hours
6 hours
3 hours
36
An object has a mass of 12 g and a volume of 4 mL. What is its density?
3 g/mL
16 g/mL
8 g/mL
4 g/mL
37
What happens to air pressure when the temperautre of the gas increases?
No changes
Increases
Decreases
The two variables are not related
38
Sweating when it is hot is a:
Behavioural adaptation
Structural adaptation
Physiological adaptation
None of these
39
What is wrong with this food web?
A gray wolf couldn't eat a moose
Nothing, its perfect
A beaver and a moose wouldn't compete for the same food
The arrows are the wrong direction
40
Which point, X or Y would have the least hours of daylight?
Y
X
41
If organsims cannot adapt to changes in their environment, what is likely to happen?
Hibernation
Migration
Extinction
Evaporation
42
What is a carnivore?
A consumer which only eats plants
A consumer which only eats producers
Another name for scavenger
A consumer which only eats other consumers
43
An object that floats is said to have:
Negative buoyancy
Positive buoyancy
Neutral buoyancy
44
What TWO things work together to cause Earth's seasons?
Earth's revolution and direction
Earth's tilt and rotation
Earth's tilt and revolution
Earth's rotation and revolution
45
A producer in the food web is:
Grasshopper
Lizard
Rabbit
Grass
46
A piece of sand if very light, but it sinks in water because:
It has a greater weight force than buoyant force of water
It has a lower density than water
All liquids sink in liquids
It displaces more water than its mass
47
How long does it take for the Earth to move from A to D?
9 months
3 months
6 months
1 year
48
Parts of a coral resemble a:
Hook, line, sinker
Bird, fish, snake
Herb, vegetable, fruit
Plant, rock, animal
49
Which of the following is a biotic factor that could affect these fish?
Amount of oxygen in water
Salinity of water
Temperature of water
Other fish
50
What is a consumer?
An apple tree
An organism which makes its own food
A general term for crows
An organism which eats food for energy
