biological diversity
matter and chemical change
enviromental chemistry
100
kingdoms, phyla, subphyla, classes, orders, families, genera, species
What is five kingdom classification
100
when a solid turns into a gas
What is sublimation
100
full of bacteria that fixes nitrogen to the soil
What are nodules
200
the assosiation between members of a different species
What is symbiosis
200
a combination of pure substances
What is a mixture
200
higher than seven on the ph scale
What is a base
300
the role of an organism within an ecosystem
What is a niche
300
when a material changes fromone state to another
What is a physical change
300
something with a ph level of seven
What is a neautral substance
400
when the environment selects which members of a species survive long enough to reproduce
What is natural selection
400
the group that discovered how to extract iron from rocks around 1200 B.C
who are Hittites
500
characteristics passed down from generation to generation
What are heritable characteristics
500
who came up with the idea that everything was made up of tiny particles
who is democratus
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