P6 Science · Chapter 7brightbit.net/worksheets
Interaction in the Environment
Name: ______________________Class: ________Date: ____________Score: ____ / 10
- 1.
Plants depend on the Sun for energy to make food. This shows that living things depend on —
(a) Other animals only(b) Non-living things in their environment(c) Only water(d) Other plants
- 2.
Fish need clean water to survive. If a factory dumps waste into a river, the fish population would MOST LIKELY —
(a) Increase because there is more food(b) Stay the same(c) Decrease because the water becomes polluted(d) Move to a different river immediately
- 3.
Earthworms help plants grow by —
(a) Eating the plant roots(b) Burrowing through soil, which allows air and water to reach plant roots(c) Providing shade for the plants(d) Producing sunlight for photosynthesis
- 4.
In a pond ecosystem, which non-living factor is essential for aquatic plants to carry out photosynthesis?
(a) Fish(b) Sunlight(c) Frogs(d) Snails
- 5.
Why do animals such as deer depend on plants in their environment?
(a) Plants provide shelter only(b) Plants are their source of food and oxygen(c) Plants keep them warm at night(d) Plants help them find water
- 6.
A habitat provides organisms with food, water, shelter, and space. What is MOST LIKELY to happen if a habitat is destroyed?
(a) The organisms will adapt immediately(b) The organisms may die or be forced to move elsewhere(c) Nothing will change for the organisms(d) New organisms will appear instantly
- 7.
Name one non-living factor that organisms in a desert depend on for survival.
Answer: ____________________________________
- 8.
Trees provide habitats for many animals. Which of the following is NOT an example of how animals depend on trees?
(a) Birds build nests in tree branches(b) Squirrels eat nuts produced by trees(c) Insects shelter under tree bark(d) Trees depend on animals for sunlight
- 9.
In a mangrove ecosystem, the tangled roots of mangrove trees provide shelter for young fish. This is an example of —
(a) Living things depending on non-living things only(b) Living things depending on other living things(c) Non-living things depending on living things(d) Competition between fish and trees
- 10.
A student notices that fewer butterflies visit a garden after a new building blocks most of the sunlight. The BEST explanation is that —
(a) Butterflies dislike buildings(b) Less sunlight means fewer flowers bloom, so there is less food for butterflies(c) Butterflies need sunlight to fly(d) The building scared the butterflies away
Answer key — P6 Science: Interaction in the Environment
For parents. Step-by-step explanations for every question are free on brightbit.net.
- 1.(b) Non-living things in their environment
- 2.(c) Decrease because the water becomes polluted
- 3.(b) Burrowing through soil, which allows air and water to reach plant roots
- 4.(b) Sunlight
- 5.(b) Plants are their source of food and oxygen
- 6.(b) The organisms may die or be forced to move elsewhere
- 7.water
- 8.(d) Trees depend on animals for sunlight
- 9.(b) Living things depending on other living things
- 10.(b) Less sunlight means fewer flowers bloom, so there is less food for butterflies
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