Fossils
Most fossils are found in what type of rock?
Sedimentary
Change in the hereditary features of a type of organism over time is _______.
Evolution
What do homologous structures, vestigial structures, and fossils provide evidence of?
Evolution
__________ is an adaptation that allows an organism to blend into its environment.
Camouflage
What is Ms. Jack's first name?
Taryn
What are fossils?
Remains of life from an earlier time.
The theory of ________ states that organisms with traits best suited to their environment are more likely to survive and reproduce.
Why is camouflage an adaptation?
Because it allows an organism to blend into its environment, protecting itself and making it more likely to survive and reproduce.
A trait that makes an individual different from other members of its species is called a ________.
Variation
What US state has the longest coastline?
Alaska
In undisturbed areas, older rock layers are _________ younger rock layers.
What might a series of helpful variations in a species result in?
Adaptation
Body parts that are reduced in size with no apparent function are called __________.
Vestigial structures
A group of organisms that whose members look alike and successfully reproduce is called a ______.
Species
What is a group of sparrows called?
A host
True or False? The fossil record is complete.
FALSE. The fossil record is INCOMPLETE.
True or False? Competition for resources is an important factor in natural selection.
TRUE
Scientists can tell whether organisms are closely related by comparing their ______.
DNA
The model of evolution that shows slow change is called ________.
Gradualism
What percentage of Americans believe in astrology?
26%
What method provides the most accurate estimate of a fossil's age?
Absolute dating
Variation between members of a species plays an important role in Darwin's theory of evolution. What happens to variation in endangered species where the number of individuals is very low?
The level of variation is lower with an endangered species because the number of individuals is so low.
Body parts that are similar in origin and structure are called _______.
Homologous structures
The study of the development of embryos in organisms is called __________.
Embryology
From what language did the English word 'cookie' come from?
Dutch