Movement of food along the digestive tract involving the contraction and relaxation of muscles is achieved by a process called

The cluster of developing cells from conception until birth is called an

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs

Answers to mastering biology drag the labels to their appropriate locations to complete the punnett squares for morgan's reciprocal cross. drag blue labels onto the blue targets to indicate the genotypes of the parents and offspring. drag pink labels onto the pink targets to indicate the genetic makeup of the gametes (sperm and egg). labels can be used once, more than once, or not at all. hints