WorksheetsP.6 GS Book 5 Ch 3-4
Total questions: 10
Worksheet time: 6mins
Which of the following is NOT a cause for the decreasing number of animals?
Over-hunting
Pollution caused by urban development
Over-exploitation of natural resources
Growth of plants
If one species in a food chain disappears, what may happen to the other species? (There can be more than one answer.)
Species higher up in the food chain may increase because there are fewer predators.
Species lower down in the food chain may die because of a lack of food.
Species higher up in the food chain may die because of a lack of food.
Species lower down in the food chain may increase because there are fewer predators.
Which of the following is not an impact of urban development on the natural environment?
Loss of habitats
Animals facing extinction
Worsened water quality
Fresher air
Which of the following shows the feeding relationship among living things?
Photosynthesis
Urban development
The food chain
Respiration
Which of the following animals do NOT live on tropical grasslands?
A.
B. C.
D.
Orang-utans
Zebras
Giraffes
Jackals
Which of the following animals do NOT have skin colour that matches the environment?
Harp seals
Lions
Grasshoppers
Hummingbirds
Tropical (a) and tropical rainforest have a great variety of animals.
Avoid using (a) products can protect biodiversity.
How do common five-ring butterflies protect themselves?
Protective colouration
Mimicry
Warning patterns
Living in groups
How do leafy sea dragon protect themselves?
Protective colouration
Warning patterns
Mimicry
Living in groups
