Vocabulary
Analyzing
Characteristics
Surprise
Evolution
100
A single organism from which other organisms have descended
ancestor
100
What characteristic separates platypus and zebras?
placenta; live birth
100
Evidence for evolution reveals that closely related organisms have many _____________ characteristics.
shared
100
On a cladogram, branches that are ____________ are always more closely related than the branches that are ___________.
closer together, farther apart
100
He was a naturalist on the HMS Beagle
Who is Charles Darwin?
200
A branching diagram that depicts the evolutionary relationships among species
cladogram
200
How many organisms would be in this cladogram?
7
200
Organisms that are farther on the left of a cladogram have __________ shared characteristics than organisms that are farther on the right.
less
200
Which organism is the most primitive?
lamprey
200
DAILY DOUBLE! WORTH 400 POINTS!
This naturalist pushed Darwin to publish his findings on evolution and was credited as a cofounder in Darwin's book.
Alfred Russell Wallace
300
Characteristics are the __________ of an organism or species
features or qualities
300
Which characteristic(s) do a tiger and lizard have in common?
five fingered hand/claw
300
The organism on the far left of a cladogram is going to be the most _________
primitive
300
True/False: Shared characteristics can exist among organisms that belong to different species.
True
300
If an organism is an arthropod, what 3 characteristics must it have?
What is segmented body, exoskeleton, and jointed legs?
400
DAILY DOUBLE! WORTH 800 POINTS!
What 2 professions did Charles Darwin try before deciding on becoming a full time naturalist? What would a naturalist be called today?
-Clergy/Relgion
-Medicine/Doctor
-Biologist
400
Which organism is most closely related to the rodent?
gorilla
400
In order for a characteristic to be used in a cladogram, what must be true?
It must be common to all organisms above a particular point
400
Give a characteristic that chimps and mice have in common, but that chimps and pigeons do not.
chimps and mice have fur and mammary glands
400
These 4 traits help to drive the theory of evolution through natural selection.
What is Overproduction, Variation, Selection, and Adaptation?
500
Define species.
a group of organisms that can mate and produce offspring that can mate
500
Which 2 organisms are most closely related?
earth worm and fruit fly
500
DAILY DOUBLE! WORTH 1,000 POINTS!
What are the 2 different characteristics sharks and dolphins have even though they both live in an aquatic environment?
Dolphins are mammals - warm blooded, have lungs, produce milk, have hair, use their dorsal fin to swim up and down.
Sharks are fish - cold blooded, have gills, use their dorsal fin to swim side to side.
500
Which 2 organisms are most closely related? BE CAREFUL!!!
salamander and lizard
500
All early vertebrate embryos share what 3 traits?
What are gill slits, a tail, and limbs?