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Why did the dinosaurs go extinct?

Name:
Across
information that can be used to support or reject an idea
the air that surrounds a planet
an animal that only eats plants
any living thing
a version of something that scientists use when the real thing is too big, small, or complicated to work with
energy from the Sun that provides energy for plants and consumers that eat those plants
a type of living thing that once lived on Earth but no longer exists
Down
a living thing that eats other living things
Fossil poop
the movement of energy through living things
the remains of a plant or animal that lived a very, very long time ago
many different food chains found in one place
a living thing that makes its own food