B16 Flashcards
Define the term prey
Consumers that are eaten are prey
Define term predator
Consumers that kill and eat
What are predators
Are organisms that can produce biomass for themselves
What are consumers
Are organisms that have to consume other organisms
Why must material in living world be recycled
Recycling helps to reduce the pollution caused by waste. Recycling reduces the need for raw materials so that the rainforests can be preserved. Huge amounts of energy are used when making products from raw materials.
What chemical elements are recycled when animals and plants decay
Materials such as carbon, nitrogen and water are recycled in the ecosystem. When organisms die, decomposition will recycle minerals and nutrients back to the environment.
Who uses carbon dioxide in the atmosphere and what for ?
Decay returns carbon to the atmosphere as Carbon dioxide that can be used by producers in photosynthesis.
Why is the water cycle important
The hydrologic cycle is important because it is how water reaches plants, animals and us
What happens when we burn more fossil fuels
Increase amount of CO2 into atmosphere
What is photosynthesis structure.
Carbon dioxide + water —> glucose + oxygen
What is the structure for respiration
glucose + oxygen —> Carbon dioxide + water
What is the structure for Combustion
Fossil fuel or wood+ oxygen —>carbon dioxide + water
