WorksheetsChapter 4 Living Things in the Environment - Self-study
Total questions: 25
Worksheet time: 41mins
Match the following: habitat - organism
rainforest
tiger
desert
camel
river
beaver
ocean
whale
north pole
polar bear
a place where animals live
(a)
this is the ability of an organism to survive using it's features and characteristics
echolocation
adaptation
survival skill
inhabitant
The (a) of a (b) in a (c) is the number of individuals of that species which are (d) .
If the birth rate is greater than the death rate, the population will (a)
If the birth rate is less than the death rate, the population will (a)
5. Animals that only eat meats (other animals) are called ...
Herbivores
Carnivores
Omnivores
6. Like human, some animals eat both plants and animals. we call it ...
herbivores
carnivores
omnivores
1) In the food chain 'grass --> grasshopper --> frog --> snake --> eagle', what organism is the primary consumer?
grass
grasshopper
frog
snake
eagle
2) In the food chain 'grass --> grasshopper --> frog --> snake --> eagle', what organism is the producer?
grass
grasshopper
frog
snake
eagle
3) Which of the following links of the food chain eats decaying matter?
Producer
Primary consumer
Secondary consumer
Tertiary consumer
Decomposer
5) Which of the following links of the food chain produces energy for the entire food chain?
producer
consumer
decomposer
4) Which of the following links of the food chain eats plants?
producer
primary consumer
secondary consumer
tertiary consumer
decomposer
Write some examples of the decomposers.
What do decomposers feed on?
living animals
dead animals and plants
humans
Why are decomposers important? (there are 2 correct answers)
they look good in nature
cycling of nutrients and minerals
decreasing the amount of waste in nature
scaring large animals
The most important group of decomposers include
A bacteria
B fungi
both A and B
virus
The positive influences of humans;
energy
renewable sources like solar
pollution
reducing CFC
habitats
creating national parks
materials
recycling to reduce the need to extract more from the Earth
The negative influences of humans;
energy
soot, smog rain and acid rain
habitats
towns and cities destroy habitats
materials
mining can destroy habitats
pollution
oil spillages pollute seas
Natural Gas is a __________ energy resource.
Renewable
Non-renewable
Oil is a __________ energy resource.
Renewable
Non-renewable
Why are fossil fuels considered non-renewable resources if they are still forming beneath the surface today?
They are being formed as a type of methane which we cannot use.
They are being formed too far beneath the surface.
We are depleting the fossil fuels much faster than they can form.
One ADVANTAGE of using fossil fuels is that:
They are better for the environment.
They can produce extremely high amounts of energy.
They contribute to the greenhouse effect.
They will never run out.
What is one ADVANTAGE of using renewable resources?
They will never run out.
They are more expensive.
They are bad for the environment.
Nuclear energy comes from .....
heat from fire
decay of the nucleus of atoms
electrons released from atoms
water
