6 questions
Humans, birds, whales, and lizards all have similar arm bones. What is the reason for this?
The function of these bones is the same in all animals
They live in similar environments
They have a common ancestor
All organisms resemble humans
Which of the following pieces of evolution evidence deals with comparing similar structures in various species?
fossil record
comparing embryology
comparing biochemistry
comparing anatomy
Which of the following pieces of evolution evidence contain both homologous and vestigial structures?
fossil record
comparing embryology
comparing biochemistry
comparing anatomy
Some organisms that share a common ancestor have features that have different functions, but similar structures. These are known as
vestigial structures
analogous structures
homologous structures
fossil structures
The hind leg bones in a whale are examples of
homologous structures
analogous structures
fossils
vestigal structures