3. Amoeba Sisters Natural Selection

Which frog has the greatest biological fitness?

• The one that is the fastest

• The one that is the strongest

• The one that has the most offspring

• The one that is the oldest

Change over time

• Homeostasis

• Replication

• Evolution

• Creationism

Which of the following leads to variation in a population?

• Mutation

• Deforestation

• Mitosis

• Temperature change

All mutations are negative.

• True

• False

You get strep throat. Your doctor gives you an antibiotic. The antibiotic kills most of the bacteria. Due to a mutation, some of the bacteria are able to resist the antibiotic. The bacteria reproduce, and repopulate the throat. The new population is different from the original population. The antibiotic resistance allele is more common in the new population. This description is an example of _______.

What do anitbiotics do?

• destroy eukaryote cells

• destroy prokaryote cells

• destroy brain cells

• destroy alelles

Which one of these is a mechanism of evolution?

• Natural selection

• strep throat

• green frogs

• predators

Animals of the same species can do this

• can breed with eachoter

• can pass down DNA

• can share a variety of traits

• all of the above

What determines the fitness of a species? Check all that apply.

• how many offspring they produce

• how much time one can spend on TikTok

• lifespan, how long they live

• how much you can consume

What is evolution?

• a variety of traits

• change over time

• fitness

• an adaptation