Answer: Warm-Up:
Write down two places in the school where
you think there might be a lot of bacteria,
and write down two places in the school
where you think there will be very little
bacteria. Explain why you chose these
places.
Explanation:
There is a lot of bacteria in the restroom because it is they restroom of course and there is a lot of people who go in and out through out the day. Some people do not wash their hands after using the bathroom, also from other places. One of the most cleanest areas might be the science lab because they are always cleaning up everything and disinfecting.
Energy is lost at each Trophic level of a food chain. The more levels then the more energy lost to those at the top.
Answer:
MHC molecules are used for antigen, which are basically derived from the pathogens to displayed them on surface of the cells to T-cell for the recognition. The major function of the MHC molecules are bind the antigens and MHC stands for major histocompatibility complex. The main role is that to displayed the peptide fragments into the T-cells.
D.All of the above.
Paper from softwood/hardwood trees
Resins-from tree barks
Medicinal-some trees have medicinal properties such as Witch Hazel
Answer:
Large Crystals, course texture, and I think evidence of slow cooling