Biodiverity

AQA biology GCSE

What is evaporation

heat from the sun changes liquid water into vapour

what is transpiration

evaporation of water form the surface of leaves

what is condensation

water vapour turning into liquid

waht is precipitation

liquid water falls to the earthwha

what is respiration

release of energy from food leadin to a loss of water

what is biogas

Biogas is a renewable fuel produced by the anaerobic decay of organic waste material by microorganisms.

what are advantages of producing biogas

low costs

can be used for fertiliserwha

What are the disadvantages of using biogas

can look bad

can explode

smells bad

may not lat long

what is biodiveristy

The variety of all the different species of organisms on Earth, or within an ecosystem.

what demands to humans place on the environment

more people and higher standards of living

This creates a higher demand for natural resources

what is pollution

The introduction of harmful substances or waste into the environment, which poisons or kills organisms and reduces biodiversity.

what is eutrophication

The process where a body of water becomes overly enriched with nutrients, causing excessive growth of algae, oxygen depletion, and the death of aquatic organisms.

what is acid rain

Rainwater made acidic by air pollutants, specifically sulfur dioxide and nitrogen oxides, which lowers the pH of ecosystems and damages organisms.

what is foodsecurity

Having enough food to feed a population.

What is mycoprotein

A protein-rich food source produced by growing the fungus Fusarium venenatum on an industrial scale