Biology Concepts and Natural Selection

How many opsins did Kraimer have?

• 1

• 2/3

• 4

• 5

Human primates were color blind to which colors?

• Blue and Yellow

• Red and Green

• Black and White

• Purple and Orange

How long ago was the Earth formed?

• 3.8 billion years ago

• 4.6 billion years ago

• 2.5 billion years ago

• 5.5 billion years ago

How long ago was life formed on Earth?

• 2.5 billion years ago

• 4.6 billion years ago

• 3.8 billion years ago

• 1.2 billion years ago

What are the domains of life?

• Eukaryotic, Bacteria, Archaea

• Mammals, Reptiles, Birds

• Plants, Animals, Fungi

• Protists, Monera, Fungi

Define species.

• A group of organisms that can interbreed

• Different kinds of organisms

• A group of ecosystems

• A single organism

Individuals of the same species generally:

• Have different habitats

• Have genetic similarity

• Compete for resources

• Are always identical

Define population.

• All the individuals of different species in an area

• All the individuals of the SAME species that live in an area during a certain time

• A group of ecosystems

• A single organism

Define fitness in an evolutionary context.

• The ability to run fast

• Leaving behind the genes of oneself

• Having a large number of offspring

• Being the strongest in a population

Common ancestors lie at the base of what?

• Food chains

• Evolutionary trees

• Geological layers

• Weather patterns