Vocab
Natural Selection
Evolutionary History
Fossils
Random
100
"one, two, many" refers to what?
Body Structure
100
This naturalist is credited as the founder of natural selection
Charles Darwin
100
Using a family analogy, humans and chimpanzees share what relationship?
Cousins
100
Scientists who study ancient life, primarily by analyzing fossils
Paleontologist
100
Fossilized bones are organic. True or False?
False
200
An older population from which two or more newer species emerged
Common Ancestor Population
200
a trait that makes it more likely that an individual will survive in a specific environment
Adaptive Trait
200
Which species the most closely related to J?
Species K
200
This family group includes whales, wolves, and the platypus
Mammals
200
Cetacea refers to which order?
Whales
300
A random change in a gene or chromosome
Mutation
300
If, after 50 generations, the ostrilopes appear to have stronger jaws, what change in the environment could have caused this?
Thornpalms becoming thornier
300
Which species are most closely related?
Norway rat and Sumatran tiger
300
How can we tell how old a fossil is?
It's depth in the fossil layer
300
What was the name of the mysery fossil?
Maiacetus
400
The latin name for "shared structure"
Homologous Structure
400
A sudden change in the environment occurs faster than a species can adapt to. What is the result?
Extinction
400
A population of tree frogs change color over time. What must have happened?
A change in the environment
400
What is the diagnostic structure we reviewed in the Tometti skull?
The fenestra
400
All vertebrates have pharyngeal arches at which stage of life?
Embryo
500
The process by which one species is separated into two or more
Speciation
500
Over time, a population of newts have become more poisonous. What change can we expect in the newts' predators?
They will become more poison resistant
500
Which species are most closely related. Why?
Grizzly bear and sea otter; they share the most structures
500
What is the common name for the phylum chordata?
Vertebrates
500
This bony ridge at the top of the skull is an attachment point for the jaw muscle and gives animals a stronger bite
Sagittal Crest