The following information is on the feeding habits of some organisms:
i)
man feeds on grasscutter;
ii)
toad feeds on grasshopper;
iii)
snake feeds on toad;
iv)
goat feeds on grass;
v)
man feeds on hawk;
vi)
grasshopper feeds on grass;
vii)
hawk feeds on snake;
viii)
grasscutter feeds on grass.
Use all the information given above to construct a food web.
State two ways of maintaining a balance in an ecosystem.
Explain each of the following terms as used in ecology:
α)
Adaptation;
β)
Endangered species.
Explain each of the following terms as used in ecology:
α)
Adaptation;
β)
Endangered species.
(i)
What is a habitat?
(ii)
Give two examples of a habitat.
Explain how the streamlined body of a bony fish enables it to live successfully in water.
Study the organisms listed below:
Earthworm;
Sheep;
Cassava plant;
Grasshopper;
Man;
Hen.
Draw a food chain using four of the organisms
(i)
What is recycling?
(ii)
Give two advantages of recycling of materials.
(iii)
List three recycled products in Ghana.
State two examples of a
(i)
carnivore;
(ii)
herbivore.
Construct a food chain using any four of the organisms listed below.
Goat, lizard, bird, snake, earthworm, grasscutter, grass, ant, cassava
State and explain three ways by which plants protect themselves from danger
i)
What is pollution?
ii)
List two pollutants each of:
α)
air
β)
water
γ)
land
Define the following terms and give an example each
(i)
Herbivore
(ii)
Carnivore
(iii)
Omnivore
(i)
What is a food chain?
(ii)
Draw a food chain using the following organisms:
Hawk, cassava leaf, lizard and grasshopper
Use any three of the following to form a food chain:
Man, bird, green grass, goat, grasshopper
Name two types of pollution. For each type, give one pollutant and its source.
Explain briefly the impact of each of the following organisms on humans:
(α)
housefly;
(β)
grasshopper.
Use any three of the following organisms to construct a food chain:
Hawk, grasshopper, man, grass, toad, grasscutter.
State three ways by which the atmosphere in an industrial area is polluted.
(i)
Draw the side view of a bony fish and label the parts.
(ii)
Explain how the fish takes in oxygen.
(iii)
For each of the following animals name two parts which help it to live in its environment
α)
Bird
β)
Fish
Use any three of the following organisms to construct a food chain.
Rat, hawk, okro leaves, toad, cassava, man, grasshopper
i)
What is air pollution?
ii)
State two humans activities that lead to air pollution.
ii)
Humans activities that lead to air pollution
1. Discharge of gases from factories
2. Smoke from exhaust engines and other machines
3. Smoke from domestic fires
4. Discharge of chloroflourocarbons from aerosol sprays and some refrigerators
5. Bush burning
6. Dust from open cast mining
7. Dust from sand winning and stone quarrying
8. Dust from construction
9. Smoke from cigarette/smoking
i)
What is a food chain?
ii)
Why is the plant in any food chain referred to as producer?
iii)
What is the term given to the other organisms that depend directly or indirectly on the producer for food.
i)
What is pollution?
ii)
Name one air pollutant.
a)
State three external features of the weaver birds that adapt to live successfully in its environment.
b)
List four harmful effects of air pollution.
State two differences between an ecosystem and a habitat.
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