Fossils and Fossilized Footprints | Artificial and Natural Selection | Survival and Variations | Straws | Earth |
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What are trace fossils?
fossils left behind from a dinosaur.
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What is artificial selection?
the act of humans getting evolved with nature
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Why do animals with multiple habitats usually live longer?
Because if one gets damaged or destroyed they can adjust somewhere else.
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What are straws?
an invention usually made of plastic to drink from, which often ends up in oceans.
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how long have organisms lived on earth?
4.6 billion years,
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What are the 2 types of fossils?
body and trace fossils.
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What does GMO stand for?
Genetically modified foods.
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What are endangered species?
a species close to extinction.
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What is biodegradable.
A substance or object that is capable of being decomposed by bacteria or other organisms.
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Radioactive dating allows us to determine..
which rocks are oldest and the age of the rocks
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What is natural selection?
things that happen naturally such as variations in traits.
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What are variations?
differences between individuals in a species.
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What is heredity?
passing on mental traits from one to another.
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What do variations do?
help a species survive in different areas with different traits.
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