Answer:
Flowers are derived evolutionary from modified <u>leaves</u>.
Explanation:
Flowers are modified leaves possessed only by the angiosperms, which are relatively late to appear in the fossil record. The flowering plants have long been assumed to have evolved from within the gymnosperms; according to the traditional morphological view, they are closely allied to the Gnetales.
Energy is needed to cause a change in the state of matter because adding energy to matter causes a physical change as matter moves from stage to another.
Answer:
The first 2 weeks of development is the germinal period. The germinal period begins with conception and ends when the blastocyst is fully placed into uterine tissue. Next, the embryonic period lasts from implantation until about 8 weeks from the time of conception.
Explanation:
The third thru the eighth week is known as the embryonic period, and the time from the ninth week until birth is known as the fetal period.
Two identical cells are created in meiosis is the correct answer.
