C190 Biology- WGU 206 Questions and Answers(A+ Solution guide)

Abiotic - Non-living Biotic - living things Biology - The study of life Biome - A group of ecosystems with similar climates and organisms Cell - Basic unit of life Community - All the different populations that live together in an area Ecosystem - A biological community of interacting organisms and their physical environment. Macromolecule - A very large organic molecule composed of many smaller molecules-technically polymers Molecule - A group of atoms bonded together Organ - A collection of tissues that carry out a specialized function of the body Organ System - A group of organs that work together in performing vital body functions. Organism - Any living thing Population - A group of individuals that belong to the same species and live in the same areaTissue - A group of similar cells that perform the same function. Scientific Inquiry - The diverse ways in which scientists study the natural world and propose explanations based on evidence they gather. Atom - Basic unit of matter Covalent bonds - Bonds created by sharing electrons with other atoms. Chemical Bonds - An attraction between two atoms resulting from a sharing of outer-shell electrons or the presence of opposite charges on the atoms. The bonded atoms gain complete outer electron shells. Electronegativity - A measure of the ability of an atom in a chemical compound to attract electrons