Chromosomes vs. Chromatids - Hi, I’m getting really confused- what is the difference between chromosomes and chromatids? Are chromosomes always arranged in pairs- if so then when they undergo mitosis why do they only then seem to go into pairs to split

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.

The function of the excretory system is to control homeostasis and