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Two organisms branch from the same point on an evolutionary tree diagram. The point that they branch from represents a(n)
common ancestor
Simple animals lack bones.
65 million years ago
mammals
a nucleus
a diagram that shows evolutionary relationships between organisms
mass extinction
Sexual reproduction results in offspring with more genetic variety than asexual reproduction.
Why might it be more difficult to find fossilized remains of simple animals?
common ancestor
Simple animals lack bones.
65 million years ago
mammals
a nucleus
a diagram that shows evolutionary relationships between organisms
mass extinction
Sexual reproduction results in offspring with more genetic variety than asexual reproduction.
Prokaryotes are unicellular organisms that do not contain
common ancestor
Simple animals lack bones.
65 million years ago
mammals
a nucleus
a diagram that shows evolutionary relationships between organisms
mass extinction
Sexual reproduction results in offspring with more genetic variety than asexual reproduction.
Rats and opossums are modern examples of __________, which first appeared 200 million years ago.
common ancestor
Simple animals lack bones.
65 million years ago
mammals
a nucleus
a diagram that shows evolutionary relationships between organisms
mass extinction
Sexual reproduction results in offspring with more genetic variety than asexual reproduction.
When did non-avian dinosaurs become extinct?
common ancestor
Simple animals lack bones.
65 million years ago
mammals
a nucleus
a diagram that shows evolutionary relationships between organisms
mass extinction
Sexual reproduction results in offspring with more genetic variety than asexual reproduction.
The die-off of non-avian dinosaurs 65 million years ago is an example of a
common ancestor
Simple animals lack bones.
65 million years ago
mammals
a nucleus
a diagram that shows evolutionary relationships between organisms
mass extinction
Sexual reproduction results in offspring with more genetic variety than asexual reproduction.
Why is sexual reproduction critical to the process of evolution?
common ancestor
Simple animals lack bones.
65 million years ago
mammals
a nucleus
a diagram that shows evolutionary relationships between organisms
mass extinction
Sexual reproduction results in offspring with more genetic variety than asexual reproduction.
What is an evolutionary tree diagram?
common ancestor
Simple animals lack bones.
65 million years ago
mammals
a nucleus
a diagram that shows evolutionary relationships between organisms
mass extinction
Sexual reproduction results in offspring with more genetic variety than asexual reproduction.
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