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Science L4 Review Term 4 of 2022
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What are the 2 elements that are reacting in photosynthesis?
Carbon dioxide and water
In this food chain, if you removed the crab, which organism would suffer? The fish OR the snail OR both
Both
In this graph, which animal is the prey?
The rabbit
What will happen to the number of predator's if the number of prey decreases? The predator will decrease in number OR increase in number
The predator will decrease in number
Why is pollination so important for man? It helps feed the bees OR it helps to make sure fruit grows
It helps make sure fruit grows
Why is soil important for life?
Grow plants and tress and our food
What can contaminate soil?
Chemicals and rubbish in the soil , metals, etc
How do earthworms help soil ?
Aerate it, put nutrients into it, make pathways for roots
What is a sea stack?
Weathered rock broken away from the mainland by sea erosion
What type of weathering is this? Chemical or biological
Biological
What type of cave is this? Talus or eolian cave
Eolian cave caused by wind
What is an ecosystem? What does it consist of?
Animals, plants, environment , etc
What are biotic factors? Give an example
Living factors such as animals, plants, decomposers, fungi, etc
What type of habitat is this? Tundra or savanna
Savanna
What would you say this abiotic factor is?
Temperature
What does a producer do in a food chain?
It makes its own food and is the first step in a food chain
In this food chain, who is the secondary consumer? Grasshopper or frog
Frog
What type of symbiotic relationship is seen in this image? Mutualism or parasitism or commensalism
Parasitism
What is a predator?
An animal who hunts another animal
Renewable resources are important for life. give an example of one
Wind, water, geothermal, biomass, hydroelectric
Give an example of a non-renewable source.
Oil, coal, gas
How can we help to prevent pollution ?
Walk, recycle, reduce, repurpose
What is this picture depicting?
Greenhouse effect
Name a greenhouse gas
CO2, methane, nitrous oxide
What is your carbon footprint?
How many greenhouse gases you produce from your activates
What does biodegradable mean? Break down into natural materials or dissolve completely
Break down into natural materials
What is acid rain? Mixture of water vapor and chemicals in the clouds. True or false
True