OpenSciEd 8.5 L1-3

Front

How do muscles move?

Back

Muscles move by contracting and relaxing.

Front

What did you discover about heavily muscled calves?

Back

They were born with more muscles.

Front

What did you realize about the range of musculature in animals?

Back

It varies widely along with other traits.

Front

A trait is ____________.

Back

a characteristic that you can see.

Front

What role does diet play in building muscles?

Back

A small but important role.

Front

What are the two main actions of muscles?

Back

Contracting and relaxing.

Front

What is a characteristic that can be observed in an organism?

Back

A trait.

Front

How does genetics influence muscle development?

Back

Genetics can determine the amount and type of muscle an organism has.

Front

What is the importance of exercise in muscle growth?

Back

Exercise stimulates muscle fibers to grow and strengthen.

Front

Can diet alone build muscles?

Back

No, diet plays a small but important role alongside exercise.