organisms and their environment

Which is an example of a population?

• all the animals and plants living in a pond

• all the mahogany trees growing in a forest

• all the species of animals in Africa

• all the people born in a country over a period of 100 years

Which process is not part of the water cycle?

• precipitation

• condensation

• transpiration

• fossilisation

The diagram shows a simple water cycle. What is responsible for water loss from the tree?

• respiration

• translocation

• evaporation

• photosynthesis

The diagram represents the carbon cycle. Which process is represented by arrow X?

• combustion

• respiration

• feeding

• photosynthesis

Which organisms remove carbon dioxide from the atmosphere?

• herbivores

• producers

• carnivores

• decomposers

Which of the following is an example of a food chain?

• carnivore → herbivore → producer

• starch → maltose→ glucose

• flower → fruit → seed

• grass → antelope → lion

What is shown in the diagram?

• the carbon cycle

• the water cycle

• a food web

• non-cyclical energy flow

Which process forms part of the carbon cycle?

• transpiration

• evaporation

• combustion

• osmosis

Which organisms can be sources of energy for decomposers?

• A

• B

• C

• D

Which process removes carbon dioxide from the atmosphere?

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