Paleozoic Era
Where did most of the animals live during the paleozoic era?
True or false
The mesozoic era happened before the paleozoic era
False. The mesozoic era happened after the paleozoic era
Where are fossils found?
Fossils are found in rocks and hardened dirt/sand
What did giant dragonflies eat?
Giant dragonflies ate small insects, other flying bugs, and even small lizards.
What did the brachiosaurus eat?
The brachiosaurus used it's long neck to eat leaves at the tops of trees.
How long does fossilization take?
Fossilization takes million of years!
What caused bugs like giant dragonflies to be so big?
There were huge trees that produced a lot of oxygen. The oxygen made the bugs bigger.
What is a t-rex?
- What does it look like
- What did it eat
- Where did it like to live
- The t-rex had a big head, two tiny arms, and a long tail for balance
- The t-rex ate other dinosaurs
- It liked to live in forests, swamps, by water where other dinosaurs drank, and in open fields.
What are fossils?
Fossils are the remains of plants and animals that lived a long time ago.
What caused the Paleozoic era's mass extinction?
Volcanic eruptions and changes in the oxygen levels on earth and in the ocean.
What caused the mesozoic era's mass extinction?
An astroid hitting the earth
How does fossilization work?
Fossilization is the process of turning a once-living thing into a fossil
What are trilobites? Your answer should include:
- What they looked like
- What they ate
- Where they lived
- They ate tiny plants, soft animals like worms, and dead creatures.
- They lived in the ocean
What did the earth look like during the mesozoic era?
The earth had giant forests, warm weather, and big oceans.
What are the 6 steps to fossilization?
1) A dinosaur dies
2) The skin rots off or is eaten by other animals
3) The bones are quickly buried by mud.
4) Layers of sand and mud build up over time
5) The layers of sand and mud harden to rock
6) The rock breaks and the fossil is exposed