Answer:
Lichens are not parasitic when they grow on trees, they just use the tree bark as a home. They enrich the soil by trapping water, dust and silt. When lichens die they contribute organic matter to the soil, improving the soil so that other plants can grow there.
Answer:
Water (H2O) can be called a molecule or a compound because it is made of hydrogen (H) and oxygen (O) atoms. There are two main types of chemical bonds that hold atoms together: covalent and ionic/electrovalent bonds. Atoms that share electrons in a chemical bond have covalent bonds.
Meiosis<span> has two rounds of genetic separation and cellular division while </span>mitosis<span> only has one of each. In mieosis </span><span>homologous chromosomes separate leading to daughter cells that are not identical.in </span>mitosis<span> the daughter cells are the same to the parent as well as to each other hope it helps
if you need help with anything else just ask :)</span>
