Living in a Community

What is a population?

• Any kind of living organism living in a particular habitat

• Organisms of the same kind living in a particular habitat

• Adults of the same kind living in a particular habitat

• All living organisms living in a particular habitat

What is a possible difference between a seashore habitat and a pond habitat?

• There is more light at the pond than at the seashore.

• Temperature is higher at the pond than at the seashore.

• There is salt water at the seashore but fresh water at the pond.

• There are more organisms living at the seashore than at the pond.

What is a possible difference between a seashore habitat and a pond habitat?

• There is more light at the pond than at the seashore.

• Temperature is higher at the pond than at the seashore.

• There is salt water at the seashore but fresh water at the pond.

• There are more organisms living at the seashore than at the pond.

Which of the following are factors of a natural environment?

• Temperature

• Amount of light

• Technology

• Water

• Availability of food

The diagram shows part of a tree. Which of the following statements is false?

• The ants form one population.

• The bird, tree and ants form three communities.

• All the organisms in the diagram form a community.

• The bird and the bird eggs form one population.

The animals in the table are grouped according to their habitats. In which habitats, A, B, C or D, is a toad most likely to be found?

• A only

• A and C only

• B and D only

• B, C and D only

Polar bears live in the Arctic region near the North Pole. Ice at the North Pole is melting due to global warming. How will this affect the polar bears?

• Polar bears will lose their habitat when the ice melts.

• Polar bears will have more water to drink when the ice melts.

• Polar bears will be able to find more shelter under the ice.

• Polar bears will reproduce more quickly when temperature increases.

Paul wanted to find out which type of soil is most suitable for growing a cactus. Cacti grow well in dry, sandy environments. He set up the experiment in the diagram and measured the time taken for 100ml of water to pass through each type of soil. From his observations, which soil is most suited for a cactus?

• P

• Q

• R

• S

Which of the following is a characteristic of a mangrove habitat?

• There is a large amount of light available.

• There is little oxygen found in the water.

• The habitat is dry and sandy.

• There is little rainfall in the area.

What is a community?

• Different populations of organisms living in the same habitat.

• One population of organism living in the same habitats.

• Different populations of organisms living in more than two habitats.

• One population of organism living in more than two habitats.