Species	A group of organisms that can interbreed and produce fertile offspring.	fertile
Habitat	The environment in which an species normally lives or location of a living organism	house
population	a group of organisms of the same species who live in the same area at the same time	=time =área
community	a group of populations living together and interacting with each other in an area
ecosystem	a community and it's abiotic envoitement
ecology	The study of the relationships between living organisms and between organisms and their envoiorment
autotroph	Organism that synthesizes its organic molecules for simple inorganic molecules. They are producers	CO2
Heterotroph	an organism that obtains organic molecules from other organisms. They are consumers	Eat
Detritivore	An organism that ingest nonliving organic matter	Dead
Saprotroph	An organism that lives on or in non-living organic matter for creating the digestive enzymes into it and a absorbing the products of digestion	Dead enzymes
How can energy be lost in transformation	As heat Used up during cellular respiration Excreted in faeces Remain unconsumed
How much energy is lost and how much energy is efficient	10 percent is efficient 90 percent is lost between trophic levels
Greenhouse effect	Is a natural process whereby the earth's atmosphere behaves like a greenhouse to create the temperature conditions on earth
3 factors that set limits to population size	Predation and disease Availability of food and shelter Weather conditions /natural disasters
What are the three main sources of genetic variation	Gene mutation Gene flow Sexual reproduction
porifera	sponges
cindaria	jellyfish
platyhelminthes	flatworms
annelida	segmented worms
mollusca	octopus
arthropoda	spider

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