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Cards In This Set
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How many years ago did oceans form on earth?
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3.8 B.Y.A.
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How many years ago did planets form?
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4.6 B.Y.A.
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When were the first eukarotes found on earth?
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2 B.Y.A.
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Where on eartg did the first cells probably live?
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Oceans
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Why did the first cells on earth live where they did?
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Because water is neccisary and it protects from uv rays
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What is evolution?
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A change in species over time.
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What happens to individuals that are not as well suited to there envirement?
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A) they dont survive
B)Move Elsewhere
C) Fail to reproduce
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What were most likely the first three life forms?
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A) Anarobic
B) Heterobic
C) prokaryotic
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True or false? Cells can still live in other cells.
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True
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True or false? Chloroplasts & mitochondria dont have there own DNA that is programed like bacteria.
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False, Chloroplasts & mitochondria have there own DNA that is programed like bacteria.
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True or false? Chloroplasts & Mitochondria reproduce independantly of the celll simular to bacteria.
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True
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True or false? Chloroplasts and mitochondria both have bilipid membranes like the cell does.
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True
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True or false? Chloroplast can only make protiens.
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False Chloroplasts and mitochondria have there own ribosomes to make protiens.
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This theory proposed how evolution of prokarotes into eukarotes took place. What is this theory?
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Endosymbiosis
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Define Species
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A goup a freely interbreeding organisms that are simular in structure and can produce fertile offsping
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