Biodiversity

State the factors that threaten the extinction of the above animals.

• Illegal hunting and high demands for animal products

• The use of chemical fertilisers and pesticides excessively

  to agricultural

• Uncontrolled logging activities

• The habitats of animals have been destroyed

Tick 3 importance of biodiversity

• supply food to human

• for medicine and cosmetics

• to maintain balance in nature

• can be developed as theme park

Which of the following is the characteristics of animals above?

• Has three pairs of legs

• Has hard-outer shells

• Has segmented body

• Poikilothermic

Biodiversity refers to

• the number of people on Earth

• the variety of species on Earth

• the number of animal species in a specific area

• the number of plant species in a specific area

Paddy plant is an example of flowering plants. Choose one characteristic of paddy plant.

• Has woody stem

• Has tap root

• Consist of two cotyledons

• Has leaves with parallel veins

A key that classifies a group of living organisms into smaller groups in stages.

• Dichotomous key

• Classification key

• Biodiversity key

• Species key

In which of the following do adults breathe through lungs while the young breathe through gills?

• Salamander

• Fish

• Crocodile

• Mosquito

Choose the correct pair of the classification of animals given

• Salamander: Mammal

  Turtle: Reptile

• Turtle: Reptile

  Pangolin: Mammal

• Zebra: Mammal

  Turtle: Amphibian

• Pangolin: Reptile

  Salamander: Amphibian

Which of the following is NOT a characteristic of plant that has monocotyledon seed?

• Has parallel vein leaves

• Most have non-woody stem

• Has tap root

• one cotyledon

________________ living things are ways to

maintain the balance of biodiversity.

• Sources of food

• Conserving and preserving

• Hunting on