Complete the statements below.
When muscles contract, they become
The muscles of the rear end, legs, and feet are called muscles.
muscles move food down the
digestive tract.

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

Ascientific idea becomes valid when it is what?

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.