Evidence of Evolution

Front

____ structures are anatomically similar, but perform different functions.

Back

homologous

Front

____ structures perform the same functions, but are structurally different.

Back

analagous

Front

The more closely related species are to each other, the ___ the biochemical similarity.

Back

greater

Front

Example of a vestigial structure: whale flippers compared to human arms, pelvis bones of snakes, bird and insect wings, coloration that allows an organism to blend in.

Back

pelvis bones of snakes

Front

Which layer is the youngest? Options: 1, 2, 3, 4

Back

1

Front

The changes of species over time

Back

Evolution

Front

What have scientists recently used to find common proteins and amino acids to determine how closely related species are? Options: DNA, Vestigial structures, Fossils, Homologous structures.

Back

DNA

Front

The diagram illustrates an embryonic stage of two organisms.

Which of the following can be determined by observing the embryos shown in the diagram?

Back

The organisms share a common ancestry.

Front

Predict which moth would increase in population: light, dark

Back

dark

Front

Which is not evidence for evolution? Options: many animals have homologous structures due to common ancestry, Many animals have vestigial structures from an ancestor, We can observe changes in life forms by observing the fossil record, All of these are evidence for evolution

Back

All of these are evidence for evolution