Arrange the Following Life Forms in Their Order of Appearance

question 4

Multiple Choice

Arrange the following life forms in their order of appearance on Earth from first to appear to last to appear.

• A) reptiles, dinosaurs, fishes, birds, flowering plants
• B) fishes, reptiles, dinosaurs, birds, flowering plants
• C) flowering plants, reptiles, fishes, dinosaurs, birds
• D) birds, flowering plants, reptiles, dinosaurs, fishes
• E) dinosaurs, reptiles, flowering plants, fishes, birds

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Definitions:

External Validity

The extent to which the results of a study can be generalized to other situations and to other people.

Quasi-Experiment

A research design that lacks the full control of true experimental designs but employs some method of making causal inferences from observed changes.

Correlational Study

A research method that examines the relationship between two variables to determine if a statistical relationship exists.

External Validity

The degree to which the findings of a research can be applied to different settings and different individuals.