Unit 3

What animals did Charles Darwin study in the Galapagos Islands?

• Turtles

• Snakes

• Finches

Darwin's Theory explained that..

• Organisms change over time

• Organisms die over time

• Organisms stay the same over time

The beaks of the finches found on the Galapagos islands were different because?

• Size of the island

• Length of their wings

• Predator's that hunted them

• The available food supply

Dogs are examples of what?

• Common Ancestors

• Selective Breeding

• Natural pace of evolution

• Existence rate rises

Natural Selection is an explanation of what?

• Where all the animals came from

• Why animals die

• How animals and plants live

• The Population of the organism

What word describes the process of having the advantageous traits that helps an organism survive and reproduce?

• natural selection

• mutation

• adaptation

• genetic engineering

Any inherited trait that gives an organism an advantage in its environment is called ___.

• natural selection

• mutation

• mutation

• evolution

The purpose of selective breeding is to

• Get bigger animals

• create animals with desirable traits

• get smaller animals

• create animals with bad traits

What is one of the processes involved in selective breeding?

• allowing organisms to reproduce without interference

• choosing individuals with desirable characteristics to be parents of the next generation

Where are genes located within the cell?

• Chromosomes

• Ribosomes

• Mitochondria

• tRNA