The hardened remains of an organism formed over many thousands of years
fossils
100
The process where organisms that are best suited to their environment survive and pass on their traits to future generations is known as_____________________.
natural selection
100
You can infer that you run _____________________ than a dinosaur if your stride length is greater.
faster
200
A fossil of a whale was found in a desert. What can you infer about the environment when the organism was alive?
The environment was an ocean.
200
Scientists can conclude that a dinosaur with sharp teeth was a/an___________________________.
carnivore- meat eater
200
True or False: Fossil evidence indicates that dinosaurs are similar to reptiles.
true
300
Cypress trees were found in the Gulf of Mexico. What can we conclude about the environment when the trees were alive?
The environment was a forest.
300
A skull with only flat teeth would be an example of a/an______________________________.
herbivore-plant eater
300
How did dairy cows become so good at producing milk?
Over many years, people have selected only the cows that produced the most milk. This was passed on to their babies.
400
Scientists found footprint fossils next to a dinosaur fossil. What can they infer about the footprints?
The footprints likely belong to the dinosaur.
400
You can infer that a dinosaur with both flat and sharp teeth was a/an_________________________.
omnivore-meat and plant eater
400
True or False: Paleontologists cannot infer what dinosaurs ate by looking at their teeth.
FALSE
500
Why are habitats so different than they were many years ago?
Habitats are different because of climate change.
500
Scientists concluded that dinosaurs were reptiles because_________________________________________.
Their skulls and skin were similar to reptiles. Also, dinosaurs laid eggs like most reptiles do.
500
There are many dog breeds because humans_____________.
have created many different dog types through selection