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Why did the oxygen revolution occur? WHat's evidence it occurred?
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The oxygen revolution occurred when organisms changed the atmosphere. Organisms began photosynthesizing and gave off oxygen. This oxygen was innitially poisonous.
Evidence is banded iron formations in rocks |
Define Evolution
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Change over time that life must constantly adapt to. Conditions that lead to adaptations of successive generations of species.
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Define Species
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1. Any group of individuals that have the same genetic material from the same gene pool.
2. Potentially interbreed to produce viable offspring |
Define taxonomy
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How we organize living (and dead) organisms
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What is the Linnean Classification System. Who created it?
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It is a classification sytem that put like organisms together.
Created by Carl Linneaus |
Explain the L.C.S.
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A secies is given a unique name
SPecies that share a large number of characteristics are grouped into genera Genera are grouped into higher categories |
What is a prokaryote?
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A cell type that is simple, small, and has no nucleus
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What is a eukaryote?
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A cell type that is big, complex with many organelles, and is complex
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What is a plankton? Give example
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Plankton are organisms that have the life habit of not being able to swim. Also known as drifters
Example is a jelly fish |
What is a nekton? Give example
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An organisms the has the life habit of having the ability to swim.
Example is a fish |
What are the 4 main types of phytoplankton?
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1. Picoplankton
2. Diatoms 3. Dinoflagelletes 4. Coccolithophore |
What are the three main types of zooplankton?
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1. Krill
2. Copepod 3. Jellies |
What are phytoplankton?
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Autotrophs that live in the euphotic zone and are important to marine life. They are at the bottomof the food chain
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What are zooplankton?
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A type of plankton that are heterotrophs
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What is the phylum chordata?
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Sea squirts and vertebrate animals that have notocords
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