Organising an ecosystem Flashcards
define a Predator
consumers that kill and eat other animals
what is the carbon cycle?
it returns carbon from organisms to the atmosphere as carbon dioxide to be used by plants in photosynthesis
what does the water cycle do?
it provides fresh water for plants and animals online before draining into seas
define a producer?
plants and algae which absorb energy from the sun
what is biomass?
the mass of living material in an organism
what does abiotic mean?
nonliving things
what is an ecosystem?
the interaction of a community of living organisms with each other and non-living parts of their environment
what is a food chain?
represent the feeding relationships within a community
how does air pollution occur?
burning fossil fuel produces smoke and acidic gases
give three consequences of global warming
ice caps, rising sea levels and Extinction of Species
give two greenhouse gases
methane and carbon dioxide
give two suggested actions to stop global warming
reduce car use and eat less meat
