Evolution Exam Study Guide

Front

What can be inferred about the evolution of organisms based on anatomical structures?

Back

They shared a common ancestor.

Front

Which plant group was the first to diverge in the lineage?

Back

Mosses.

Front

What type of isolation occurs when a dam separates a population of fish?

Back

Geographic isolation.

Front

Why is it incorrect to take the same antibiotic for different infections?

Back

Different types of bacteria require specific antibiotics.

Front

What is the risk of stopping antibiotics when feeling better?

Back

Not all bacteria may be dead, leading to a worsening infection.

Front

What advantage does variability in beak size provide for birds on a new island?

Back

It allows birds to occupy a wider variety of niches, minimizing competition.

Front

What is the definition of evolution?

Back

The change in the heritable characteristics of biological populations over successive generations.

Front

What is natural selection?

Back

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

Front

What is the significance of a common ancestor in evolution?

Back

It indicates that different species have diverged from a shared lineage.

Front

What is the role of mutations in evolution?

Back

Mutations introduce genetic variation, which can lead to new traits in a population.