What evidence is displayed here?
Fossils
What kind of isolation?
Geographic Isolation
What is an an adaptation?
A structural and or behavioral trait that increases a species' fitness in its environment.
Which is most closely related to kangaroos?

Elephants

Which organisms have placentas?
Bears, lions, house cats.
What evidence is this?

homologous structures
What kind of isolation?
Behavioral
Behavioral or structural?
Structural
Species least closely related to blue whales

Alpaca

Do rabbits have eggs?
Yes
This is an example of:

A vestigial structure
Damsel fly species have different shaped mating organs.
Behavioral or structural
Behavioral
What does "A" represent?
The common ancestor of all the species present.
Which species is least related to the others?

Dhole 
What evidence is this?

Embryology
Brood XIX and XXII cicadas overlap in their geographic range. Brood XIX emerged in 2024. Brood XII will not emerge until 2028.

Temporal Isolation.
This pangolin is about to be attacked by lions. What is the adaptation. How does it help?
The pangolin's armor makes it difficult for lions to harm it.

Common ancestor of baleen whales and rodhocetus
C
What adaptation must have arisen during point A?
loss of tail.
These structures are NOT related. How do they support evolution?

The trait of flying was beneficial and evolved independently in several species.
What form of isolation. Sympatric or allopatric?
Behavioral, sympatric
This plant grows on the jungle floor. What is the adaptation. How does it help?

Large leaves to collect sunlight where there isn't much.

What trait must have evolved at "A"?

Fur, mammary glands, etc.
Why isn't Gemelli, a not hollow pasta, placed between Conchiglio and Tortiglioni?
Occam's razor