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WorksheetsOrganisms and Environment
Total questions: 16
Worksheet time: 8mins
Name
Class
Date
1.
Which statement best supports the diagram shown?
a)
Drinking water can be contaminated by unsuspected sources.
b)
Surface pollution does not affect groundwater.
c)
Fertilizers and other pollutants lower groundwater pollution.
d)
Human activities have no affect on drinking water.
2.
The Galapagos finches developed different shaped beaks over time. What might be the reason for this?
a)
The different beaks helped each species fight off common predators.
b)
The beaks were an adaptation for different food sources.
c)
The beaks shaped helped the birds fly better.
d)
The beaks were adapted for the same food source.
3.
In the diagram shown, the food color represents pollution. What is happening at X?
a)
The food color runs through the drain hole representing groundwater pollution.
b)
The gravel is impermeable so there is no groundwater pollution.
c)
The food color stays on the surface as run-off so no liquid passes through.
d)
The food color is trapped in the gravel so there is no pollution.
4.
A forest fire has made tree bark black so the population of light colored moths has decreased while the dark colored moths has increased. Why?
a)
The light colored moth can no longer camouflage to hide from predators.
b)
The light colored moth changed color over time.
c)
The dark colored moth reproduced faster than the white colored moths.
d)
The dark colored can fight off their predator better.
5.
After a forest fire, which factor is most likely to emerge first?
a)
Deer
b)
Grass
c)
Shrubs
d)
Topsoil
6.
Mosquitoes eat flies. Flies pollinate flowers. Pesticides kill mosquitos. What would happen to the biodiversity of the area?
a)
The biodiversity of the area would increase because mosquitoes no longer eat flies.
b)
The biodiversity would be negatively impacted because mosquitoes pollution would decrease.
c)
The biodiversity would not change.
d)
The biodiversity is not affected by available food sources.
7.
Birds eat shrimps and other crustaceans. What is the feeding relationship?
a)
Birds are consumers and shrimp are producers.
b)
Shrimp are parasites and birds are the hosts.
c)
Birds are the prey and shrimps are the predators.
d)
Birds are the predators and shrimps are the prey.
8.
Name the omnivore.
a)
Lizard
b)
Snail
c)
Bird
d)
Rabbit
9.
In the rainforest, the underground layer often does not get much sunlight, so many of the plants have vines. What are the vines competing for?
a)
Water
b)
Oxygen
c)
Sunlight Energy
d)
Soil
10.
Toads and frogs live in an area. Both require rainwater or temporary ponds to lay their eggs. What resource is the most scarce in this area?
a)
Soil
b)
Sunlight
c)
Oxygen
d)
Water
11.
How many organisms eat only producers?
a)
1, Deer
b)
2, Deer and Rabbit
c)
3, Deer, Rabbit, and Insects
d)
4, Deer, Rabbit, Insects, and Mouse
12.
Water bugs survive best in warm algae-rich water. Runoff from nearby has killed the algae and made the water cooler. What would happen?
a)
The bug population would increase because water is clearer.
b)
The bug population would decrease because the water temperature has changed.
c)
The bug population would not be not be affected.
d)
The algae would increase.
13.
Pesticides are used to control ants. Ants are food for many reptiles in the area. What would happen to the biodiversity of the area?
a)
The biodiversity would be negatively affected.
b)
The biodiversity would be positively affected.
c)
There would be no change to the sustainability of the ecosystem.
d)
No affect because reptiles can eat other food.
14.
Which organism have a producer/ consumer relationship?
a)
Crab and Limpet
b)
Limpet and Lobster
c)
Limpet and Algae
d)
Gull and Urchin
15.
Name a predator/prey relationship?
a)
Grass --> Rabbits
b)
Snakes --> Hawks
c)
Frogs --> Grasshoppers
d)
Snakes --> Foxes
16.
Sediments from a flood run-off has caused less sunlight to reach the aquatic plants in a lake? Why would this decrease photosynthesis?
a)
Less water for absorption
b)
Less energy for growth
c)
Less soil for nutrient
d)
Less oxygen for absorption
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