The survival of the fittest organism in a particular environment.
What is the thumb?
The type of selection that leads to Giraffes having long necks.
What is directional selection?
According to the evidence of embryology, this animal of those shown is most closely related to a chicken.
What is a tortoise?
Between sharks and birds, amphibians are more closely related to these because of this evidence?
What are birds because amphibians and birds are tetrapods?
Birds of paradise exhibiting sexual dimorphism.
What is the ring finger?
The type of selection that decided a squirrels tail length.
What is stabilizing selection?
An elephant foot compared to a human foot is an example of these kinds of structures and evolution directions.
What are homologous and divergent?
The number of Trace Fossils in the picture.
What are two?
After WWII, some Nazis fled Germany and went to Argentina where they found local mates and had children with them.
What is the index finger?
The selection reason that there are few medium-sized dinosaurs i the fossil record.
What is disruptive selection?
Three vestigial traits mentioned in the video that were useful to our ancestors, but aren’t useful now.
What are wisdom teeth, ear wiggling, and Palmaris Longis?
The missing trait in the cladogram.
What is a vertebrae?
In the Disney Movie Dinosaurs, all the lemurs on the island were killed except for the ones riding Alladar’s back to the mainland.
What is the pinkie?
Cesarean sections in child birth leading to larger heads over time in humans.
What is directional selection?
Mimicry is an example of THESE kinds of structures and evolution directions.
What are analogous & convergent?
The worst risk of inbreeding.
What are harmful recessive traits being expressed?
The only two processes that increase the genetic variations in an organism’s offspring.
What are the middle and ring fingers?
Baby sharks fighting in the womb lead to this selection type?
What is stabilizing selection?
The Octopus eye compared to the Human Eye is an example of these kinds of structures and evolution directions.
What are analogous and converging?
The best explanation for why marsupials are only found in the Americas and Australia
What is plate tectonics?