Fossils and Fossilized Footprints Artificial and Natural Selection Survival and Variations Straws Earth
200
What are trace fossils?
fossils left behind from a dinosaur.
100
What is artificial selection?
the act of humans getting evolved with nature
100
Why do animals with multiple habitats usually live longer?
Because if one gets damaged or destroyed they can adjust somewhere else.
100
What are straws?
an invention usually made of plastic to drink from, which often ends up in oceans.
100
how long have organisms lived on earth?
4.6 billion years,
100
What are the 2 types of fossils?
body and trace fossils.
200
What does GMO stand for?
Genetically modified foods.
200
What are endangered species?
a species close to extinction.
200
What is biodegradable.
A substance or object that is capable of being decomposed by bacteria or other organisms.
200
Radioactive dating allows us to determine..
which rocks are oldest and the age of the rocks
300
What is natural selection?
things that happen naturally such as variations in traits.
300
What are variations?
differences between individuals in a species.
400
What is heredity?
passing on mental traits from one to another.
400
What do variations do?
help a species survive in different areas with different traits.






Science

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