Evolution

What is evolution?

• a way of changing immediately

• a biological process. it is how living things change over time and how new species develop

• a process where things go backwards in development

• a process where animals do not change

What is a homologous structure?

• similar structures in related organisms

• similar structures in unrelated organisms

• structures that are no similar

• structures that have no purpose anymore

What is adaptation?

• organisms that cannot adjust to their environment

• organisms that go extinct

• organisms adjust to new environments or to changes in their current environment

• when organisms can be traced back to a common ancestor

Darwin's finches are an example of divergent evolution.

• True

• False

What is speciation?

• when are group within a species does not change or become different.

• When animals have gone extinct

• When animals have similar structures

• when a group within a species separates from other members of its species and develops its own unique characteristics.

Natural selection is the process in nature by which organisms better adapted to their environment tend to survive and reproduce more than those less adapted to their environment.

• True

• False

Gradualism is when evolution takes place very quickly.

• True

• False

Which islands did Charles Darwin make his important discovery using finches?

• Hawaiian Islands

• Galapagos Islands

• Japan

• Australia

Mutations are a part of evolution

• True

• False

What will happen if an infectious diseases spreads through a population of fish and begins to kill them off?

• The fish will be unable to create more offspring and will eventually die out

• The fish will survive and thrive

• The fish will develop an immunity to the disease