Chapt 1 Bio 101 Exam 1 NVCC Questions and Answers Already Passed

Chapt 1 Bio 101 Exam 1 NVCC Questions and Answers Already Passed What is Life? the condition that distinguishes animals and plants from inorganic matter, including the capacity for growth, reproduction, functional activity, and continual change preceding death. Cell The basic unit of structure and function in living things Organism consist of one or more cells -every cell has outer membrane that separated from its surroundings atoms Building blocks of matter Molecule A group of atoms bonded together Organelle specialized structure that performs important cellular functions within a eukaryotic cell Tissues Groups of cells with a common structure and function. organs Tissues are organized into:, group of tissues that work together to perform closely related functions. organ system group of organs that work together to perform a specific function Population a group of organisms of the same species populating a given area Community assemblage of different populations that live together in a defined area Ecosystem A biological community of interacting organisms and their physical environment. Biosphere part of Earth in which life exists including land, water, and air or atmosphere emergent properties New properties that emerge with each step upward in the hierarchy of life, owing to the arrangement and interactions of parts as complexity increases. Producers Organisms that make their own food Autotroph An organism that makes its own food Nutrients Substances in food that your body needs