What is photosynthesis?
carbon dioxide + water + (light) ----> glucose + oxygen
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Create a food chain.
grass --> rabbit --> fox
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What is a producer?
A creature that produces its own food using photosynthesis.
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What is a primary consumer?
A creature that eats producers.
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What is a secondary consumer?
A creature that eats primary consumers.
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What is a tertiary consumer?
A creature that eats secondary consumers.
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What is a predator?
A creature that kills and eats other creatures.
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What is a prey?
A creature that is killed and eaten by a predator.
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Describe a predator-prey relationship.
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What happens when the population of predators decreases?
The population of prey increases.
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What is a quadrat used for?
A quadrat is used to estimate the number of creatures in a given area.
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What is a transect used for?
A transect is used to see how certain conditions affect population distribution.
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What is the first step to study the distribution of organisms in an ecosystem?
Place a transect along the ecosystem or a sample of it and choose which species and conditions you are going to assess.
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If a field measures 32m by 70m, what is its area?
2240m squared.
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What is the first step to estimate the population size of a species in a given habitat?
Randomly place a quadrat in the habitat and count the species or the percentage of the quadrat it takes up.
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What materials pass through different abiotic and biotic components in an ecosystem?
Carbon, Water and Nitrogen.
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How does carbon help living organisms?
Carbon dioxide is part of plant's photosynthesis which produces glucose and oxygen. Then animals eat those plants for nutrition which keeps them alive so carbon is very important to living organisms.
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State 3 processes in the carbon cycle.
Photosynthesis, Respiration, Anaerobic Decay, Combustion of Fossil Fuels.
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How do microorganisms help with cycling materials in an ecosystem?
Microorganisms decompose waste from other living creatures to put the carbon compounds from them back into the ecosystem.
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How does the water cycle help living organisms?
Water is an essential part of photosynthesis which produces plant's food and oxygen. These resources are crucial to other living organisms as-well who eat the plants and use the oxygen and glucose to survive.
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State three processes used in the water cycle.
Evaporation, Condensation, Precipitation, Transpiration, Percolation, Aerobic Respiration, Photosynthesis.
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State three factors that affect the rate of decay in biological material.
Moisture availability, Temperature, Oxygen Availability.
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Explain how temperature affects the rate of decay of biological material.
The rate of decay is higher in warm conditions however, if it is too hot then the enzymes from the microorganisms will denature and not work.
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How could knowledge of decay help gardeners and farmers?
If they understand how decay works then they can make use of the compost left after the decay, which is rich in nutrients, to help their crops and plants grow better.
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What is a use of anaerobic decay?
A use of anaerobic decay is to produce biofuel which is a renewable energy resource.
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Other cards in this set

Card 2


Create a food chain.


grass --> rabbit --> fox

Card 3


What is a producer?


Preview of the front of card 3

Card 4


What is a primary consumer?


Preview of the front of card 4

Card 5


What is a secondary consumer?


Preview of the front of card 5
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