dinosaurs 2
Terms
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- Carnivores are an order of animals that belong to the class of ________________.
- mammals
- Dinosaurs may have become extinct because a _____ hit the Earth.
-
meteor
- The reptile whose forlimbs have the bone structure needed to fly is the _______.
- pteranadon
- Of the following, the one that is a vertebrate is: bacteria, trilobite, starfish, or fish.
- fish
- The change in species over time is known as _________.
-
evolution
- Who was the scientist who invented the classification system in use today?
- Carolus Linnaeus
- The beaks of the finches on the Galapagoes Islands were adapted for _______________.
- food-getting
- Explain Darwin's theory.
- The animals that have the best combination of inherited traits will survive and reproduce. Called Survival of the Fittest.
- The first horses were approximately the size of modern ___________.
- foxes
- The longest period in the geologic time scale is the _______ _______.
- Precambrian Time
- A possible explanation based on evidence is known as a ____.
- hypothesis
- The study of fossils is called _________.
- paleontology
- Of the following, which contains the most organisms: genus, order, class, phylum.
- phylum
- A species that does not have the traits needed to survive will likely _____ ______.
- become extinct
- Before fish, the dominant consumers in the ocean were __________.
- trilobites