BIO 100 Chapter 1-2 Questions and Answers 100% Pass

BIO 100 Chapter 1-2 Questions and Answers 100% Pass **What is the field of Biology?** Biology encompasses the scientific study of life and living organisms. **Define Emergent Properties.** Emergent properties refer to characteristics that manifest in a system but are not present in its individual components. **Describe Atoms.** Atoms are the fundamental building blocks of all matter, both living and non-living. **Explain Molecules.** Molecules are formed when atoms are chemically bonded together. **What constitutes a Cell?** A cell is the smallest unit of life, characterized by a plasma membrane, cytoplasm, and DNA. **Define an Organism.** An organism can be described as an individual entity composed of one or more cells. **Define Tissue in multicellular organisms.** Tissue refers to a collection of specialized cells that work together to perform specific functions within an organism. **Define an Organ in multicellular organisms.** An organ is a structure composed of different tissues functioning together to carry out specific tasks. **Describe an Organ System in multicellular organisms.** An organ system comprises multiple organs that collaborate to perform coordinated functions crucial for maintaining bodily functions. **What defines a Population?** A population consists of individuals of the same species inhabiting a specific area and interbreeding more frequently with each other than with members of other populations. **Define a Community.** A community encompasses all populations of different species coexisting in a particular ecosystem. **Describe an Ecosystem.** An ecosystem involves the interaction of a community of organisms with their physical environment. **Explain the Biosphere.** The biosphere encompasses all regions of the Earth where living organisms exist. **Define Energy in biological terms.** Energy refers to the capacity to perform work, which is vital for sustaining life processes. **What is a Nutrient?** A nutrient is a substance essential for an organism's growth and survival, obtained from the environment since the organism cannot