Observe the cut ends of the flatworms using the hand lens or the dissection microscope immediately after cutting. What do you see?

Are there distinct differences between the two ends?

Observe the cut ends of the flatworms over a period of several days. Do the flatworm halves continue to exhibit the same degree of difference that were seen right after they were cut in two?

What kinds of changes occur in the flatworms as they recover from having been cut in two?

supercell thunderstorms are perhaps the most violent of all thunderstorm types, and are capable of producing damaging winds, large hail, and weak-to-violent tornadoes

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.

the correct answer in apex is tissue development, i know because i just had this question