Unit 6 Study Guide

Front

What is the Fossil Record?

Back

The Fossil Record is a timeline of life on Earth developed by scientists through the collection of millions of fossils of different organisms.

Front

What caused the finches on the Galapagos Islands to have different beaks than those on the mainland?

Back

The finches on the Galapagos Islands had different beaks due to the availability of different types of food on the island.

Front

What is Natural Selection?

Back

Natural Selection is the process where organisms that are better adapted to their environment survive and reproduce more successfully than those less adapted.

Front

Which layer of rock is the youngest?

Back

Layer 1 is the youngest.

Front

What is a species?

Back

A species is a group of organisms that look alike and can reproduce among themselves.

Front

What is the theory of evolution?

Back

The theory of evolution explains how species change over time through processes like natural selection and genetic variation.

Front

What is mutation?

Back

A mutation is a change in the DNA sequence of an organism, which can lead to new traits.

Front

What is selective breeding?

Back

Selective breeding is the process of breeding plants and animals for specific traits.

Front

What is the role of predators in natural selection?

Back

Predators can influence natural selection by affecting which organisms survive and reproduce based on their adaptations.

Front

What is adaptation?

Back

Adaptation is a trait that helps an organism survive and reproduce in its environment.