Amoeba Sisters Natural Selection

What is primarily responsible for causing strep throat?

• Fungi

• Viruses

• Parasites

• Bacteria

What is the main purpose of antibiotics?

• To relieve pain

• To destroy bacteria

• To boost immunity

• To destroy viruses

Why do darker frogs have a survival advantage in the example provided?

• They are larger

• They are less visible to predators

• They are stronger

• They are faster

What does 'fitness' in biological terms refer to?

• Speed of an organism

• Organism's ability to reproduce

• Lifespan of an organism

• Strength of an organism

What does natural selection depend on?

• Predator behavior

• Random genetic variations

• Environmental changes

• All of the above

What is the primary mechanism by which evolution occurs?

• Mutation

• Genetic drift

• Gene flow

• Natural selection

Can frogs intentionally change their color to adapt to their environment?

• No, they change only when ill

• Yes, always

• No, changes are random

• Yes, but only during mating season

What is a possible outcome of mutations in frogs?

• No change in fitness

• Decreased fitness

• All of the above

• Increased fitness

What is the effect of a beneficial mutation in an organism?

• Decreased reproduction

• Increased chance of survival

• Shorter lifespan

• Increased vulnerability to predators

How do bacteria develop resistance to antibiotics?

• Through intentional changes

• By avoiding antibiotics

• Through random genetic variations

• By increasing their size