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Change over Time Vocabulary

Across
an adaptation that enables a species to blend in with its environment.
an inherited trait that increases an organism’s chances of surviving and reproducing in its environment.
is the process by which populations of a organism with variation that help them survive in their environment live longer, compete better, and reproduce more than those that do not have the variations.
Determining a fossils absolute age by using use radioactive decay to learn rock’s absolute age.
the preserved evidence of the activity of an organism.
the change over time in population of related organisms.
The study of similarities and differences among structures of living species.
a person who studies plants and animals by observing them.
when the last individual organism of a species dies.
Down
a branching diagram showing the cladistic relationship between a number of species.
a slight difference in a inherited trait of individual members of a species.
is made up of all fossils ever discovered on Earth.
Body parts of organisms that are similar in structure and position but different in function.
The resemblance of ones species to another.
The science of the development of embryos from fertilization to birth.
The impression of an organism in a rock
is a fossil copy of a organism in a rock