What are homologous structures?

Body parts that are similar in structure but may have different functions, showing common ancestry

Who developed the theory of natural selection?

Charles Darwin

What book did Charles Darwin write?

On the Origin of Species

What ship did Charles Darwin travel on?

HMS Beagle

What did Darwin do on the HMS Beagle?

Collected specimens and made observations

What is the first point of natural selection?

Populations have variations

What is the second point of natural selection?

Some variations are favorable

What is the third point of natural selection?

More offspring are produced than survive

What is the fourth point of natural selection?

Individuals with favorable traits survive and reproduce

What is the fifth point of natural selection?

Populations change over time

What is melanism?

An increased amount of dark pigment (melanin) causing darker coloration

What is mimicry?

When an organism imitates another organism, plant, or object

Why do animals use mimicry?

To survive, often by avoiding predators

What are examples of mimicry types?

Visual, auditory, and olfactory imitation

Why are homologous structures important?

They provide evidence of evolution and common ancestry

What is natural selection?

The process where organisms with favorable traits survive and reproduce

Why do not all offspring survive?

Limited resources and environmental challenges

What happens to favorable traits over time?

They become more common in a population