2nd Partial review

2nd Partial review

Multiple Select

Names of the two fathers of evolution

• Charles Lyell

• Thomas Malthus

• Charles Darwin

• Alfred Russel Wallace

The fathers of evolution

• Charles Darwin developed his theory after spending five years on the HMS Beagle

• Alfred Russel Wallace developed his theory while on the Malaysian archipelago

Multiple Choice

Of the two, who got all the credit for the theory of evolution?

• Charles Darwin

• Alfred Russel Wallace

On the origin of species

• Darwin got all the credit because he was the first to write. his book called "on the origin of species"

• Wallace didn't get angry at Darwin and was happy to be part of the dicovery

Multiple Choice

Evolution depends on the environment

• True

• False

True

• The traits that are selected are the ones that help an organism survive in the environment they live

  
  

Multiple Choice

Evolution acts on existing traits

• True

• False

True

• In order for a trait to change, it first needs to exist. Evolution does not create new things, it modifies things that already exist.

  
  

Multiple Choice

Evolution is not random

• True

• False

False

• The mutations that appear do so randomly, they were not chosen for a purpose.

Multiple Choice

What is a trait?

• The process of change by which species become better at surviving

• Any change in a population across generations

• A characteristic that an organism possesses

Multiple Choice

The ability to produce venom is a...

• Structural trait

• Physiological trait

• Behavioral trait

Physiological traits

• relate to how the body of an organism functions

• they are internal features that help an organism survive

Multiple Choice

Having a social structure is a...

• Physiological trait

• Structural trait

• Behavioral trait

Behavioral traits

• Relate to how the organism acts or functions

• They are things the organism does to survive

Multiple Choice

Having a trunk to manipulate things and obtain food is a...

• Physiological trait

• Structural trait

• Behavioral trait

Structural traits

• Relate to the body of the organism

• They are physical characteristics

Multiple Choice

A population of moths that adapt to camouflage themselves so predators don't see them is an example of...

• Natural selection

• Sexual selection

Natural selection

• Process by which traits that help a population survive are passed onto the next generation, getting more common over time

• 
  

Multiple Choice

A spider performing a dance to attract as much mates as possible is an example of...

• Natural selection

• Sexual selection

Sexual selection

• Process by which traits that help an organism reproduce are passed onto the next generation, getting more common over time

Multiple Select

Characteristics of a species

• Reproduce among themselves

• Don't reproduce with other groups

• Eat the same things

• Are adapted to the same environments

Species

• a group of organisms that interbreed (reproduce) in nature and are adapted to specific resources and environment.

Multiple Choice

Speciation is the process when all the organisms in a species die out

• True

• False

Speciation

• The process by which new species are created

• In speciation, one species splits into two or more different species.

Multiple Choice

A reproductive barrier is something that prevents organisms from reproducing

• True

• False

Reproductive barriers

• For speciation to happen, a reproductive barrier needs to form between organisms

• There are four main types of reproductive barriers: Geographical, behavioral, time, and anatomical.

Multiple Choice

In a mass extinction, at least 50% of all species die

• True

• False

Extinction

• Extinction is a natural part of evolution because it allows new species to appear

• There have been five mass extinctions in the history of the earth