8th Chapter10 The Environment & Change Over Time (Evolution)

Front

What are the three main categories of adaptations?

Back

Behavioral, Functional, Structural.

Front

Which adaptation category is NOT recognized?

Back

Pharangeal.

Front

What does the fossil record suggest about the modern horse?

Back

The modern horse is related to other extinct species.

Front

Which animal is genetically closest to a dog?

Back

Wolf.

Front

What is embryology?

Back

The study of relationships between organisms by comparing their embryos.

Front

What is molecular biology?

Back

The study of relationships between organisms by comparing their genes and proteins.

Front

Define adaptation in the context of evolution.

Back

A trait that helps an organism survive and reproduce in its environment.

Front

What is the significance of variation in a population?

Back

Variation provides the raw material for natural selection.

Front

What is natural selection?

Back

The process by which organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is the role of fossils in understanding evolution?

Back

Fossils provide evidence of past life forms and their changes over time.