Biology Crossword

The death of every member of a species
a scientist who studies fossils and ancient forms of life
is the science of determining the relative order of past events
a fossil known to have lived in a particular geologic age
a scale to represent evolutionary time
A unit of geologic time larger than a period.
A unit of geologic time smaller than an era.
the theory that pieces of Earth's lithosphere are in constant motion
The name of an old shark
normal, low-level rate of extinction of species
a lot of species that become extinct at the same time
The theory that evolution occurs slowly but steadily
an animal that guarded the watermelons
Evolution toward similar characteristics in unrelated species
Process by which two species evolve in response to changes in each other
What animal s Sid
the process of measuring the absolute age of a fossil by its radiation
Common scary Dino
what animal is Manny
What animal is Diego