Shells are the exoskeletons of clams, snails and oysters. Hope that helps
Mitosis is the process describing the division of a cell into two genetically identical cells. It has 5 stages: interphase, prophase, metaphase, anaphase, telophase. During anaphase, the cell is elongated and the pair of chromosomes is drawn to the opposite sites of the cells, getting ready for the cell division that occurs at the next stage. Therefore, at anaphase the DNA is duplicated and the cells of the Tasmanian devil would have 28 chromosomes at this stage.
Answer:
Explanation:
Student A because it requires a hypothesis
(CALCIUM)
regulation in the human body. The role of vitamin D is shown in orange. Vitamin D is carried in the bloodstream to the liver, where it is converted into the prohormone calcifediol. Circulating calcifediol may then be converted into calcitriol, the biologically active form of vitamin D, in the kidneys.
The water cycle is the earth recycling it's finite (limited and fixed) amount of water! The water goes around and around which makes it a cycle. The water cycle is made up of 4 main parts: EVAPORATION-happens when the sun heats water up in River, Streams, Lakes and Oceans and turns it into Steam or Vapor. TRANSPIRATION is part of evaporation and gives it a hand. When people (you and me) sweat we perspire, well when a Plant "sweats" it Transpires! It is the process by which leaves of plants loose or "sweat" water. Transpiration helps Evaporation a little bit by getting the water vapor back in the air.
CONDENSATION-water vapors in the air turn cold and change back to a liquid, forming clouds. This is Condensation.
PRECIPITATION-the water vapor that's getting condensed and turning to liquid is getting very heavy in the clouds. The clouds get so heavy they release the liquid "water" and it falls back to the Earth as Rain, Snow, Sleet & Hail. COLLECTION-When the water falls to the Earth it lands on the Land, In the Rivers, Lakes, Streams and Oceans. On land it will become part of the Ground Water and plants and Animals will use it! Or it may drain or fall directly back into all the bodies of water on Earth, and the Cycle Begins again!