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15 Cards in this Set

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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