Bio 151 exam 1 questions with correct answer 2023

Bio 151 exam 1 questions with correct answer 2023Emergent properties It's the property where living things become more and more complex as it goes from cellular level (exp humans are made of cells) to organ system (exp humans are made of organ system composed of millions of cells). Cell --- Tissue ---- Organ --- Organ System --- Animal Biology Scientific study of life. Molecule is an electrically neutral group of two or more atoms held together by chemical bonds. Organelle is a specialized subunit within a cell that has a specific function, and it is usually separately enclosed within its own lipid bilayer. Cell the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic. Tissue any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products. Organ is a collection of tissues joined in a structural unit to serve a common function. Organism is any contiguous living system (such as animal, fungus, micro-organism, or plant). Population is a summation of all the organisms of the same group or species, who live in the same geographical area, and have the capability of interbreeding. Community All of the groups of animals or plants living together in the same area or environment and usually interacting to some degree. Ecosystem is a community of living organisms (plants, animals and microbes) in conjunction with the nonliving components of their environment (things like air, water and mineral soil), interacting as a system. Biosphere The entire population of Earth inhabited by life; the sum of all the planet's ecosystems. 00:02 01:24 Eukaryotic cell A type of cell with a membrane-enclosed nucleus and membrane-enclosed organelles. Prokaryotic cell A type of cell lacking a membrane-enclosed nucleus and membrane-enclosed organelles. Matter Anything that takes up space and has mass. Element Any substance that cannot be broken down to any other substance by chemical reactions. Compound A substance consisting of two or more different elements combined in a fixed ratio. Atom The smallest unit of matter that retains the properties of an element. Proton A subatomic particle with a single positive electrical charge. It is found in the nucleus of an atom. Electron A subatomic particle with a single negative electrical charge. One or more electrons move around the nucleus of an atom. Neutron A subatomic particle having no electrical charge. It is found in the nucleus of an atom. Atomic nucleus An atom's dense central core, containing protons and neutrons. Essential elements A chemical element required for an organism to survive, grow, and reproduce. Valence electrons An electron in the outermost electron shell. Valence shell The outermost energy shell of an atom, containing the valence electrons involved in the chemical reactions of that atom. Orbital The three-dimensional space where a