Which best demonstrates analogous structures? A) Cat fur and dog fur B) Whale fins and humans arms C) Bird wings and insect wings D) Gills in fish and lungs in mammals

Many plants and animals native to Australia are found nowhere else on Earth. Which best explains this. A) The soil of Australia has a high mineral content with plenty of moisture. B) Geologic evolution occurred, separating Australia from other land masses. C) The climate of Australia is very favorable to many plants and animal species. D) Biological evolution failed to create changes in the plant and animal species of Australia.

The forelimbs of two animals are shown below. Which can be concluded from this information? A) The animals share a similar ancestor B) The animals live in the same habitat. C) The animals are the same size and shape. D) The animals use the same method of movement.

Which best helps scientists explore the relationships between modern organisms and ancestral species to create a system of biological classification? A) Fossils B) Volcanic ash C) DNA evidence D) Igneous rock layers

Organisms who are evolutionary closer are most likely found at which taxonomic level? A) Order B) Family C) Kingdom

The scientific name for a giraffe is Giraffa Camelopardalis. What two levels of classification does this name represent? A) Family and order B) Phylum and domain C) Kingdom and genus D) Genus and species

Some scientist think that all life evolved from a common ancestor. Which provides evidence that this may be true? A) Analogous structures of organisms B) Homologous structure of organisms C) Extinction of many varieties of plant species D) Existence of many varieties of bacteria species

Which is most likely to be related to a human based upon similar anatomical structures? A) Flea B) Fish C) Coyote D) grasshopper

Organisms can be separated by their most basic characteristics into the broadest groups known as A) Kingdoms B) Domains C) Phyla D) orders

Which term refers the classification of organisms in an ordered system that indicates natural relationships? A) Taxonomy B) Tectonics C) Geology

Evolution can best described as which type of change? A) Absolute change B) Extreme change C) Gradual change

What do scientist most often use to form the basis for biological classification? A) Dietary habits B) Geographic location C) Population size D) Comparative anatomy