Biology Section 1.1
Terms
undefined, object
copy deck
- metabolism
- sum of all the chemical reactions that take in and transform energy and materials from the environment
- smell, temperature, sound
- give three examples of stimuli
- gene
- short segment of DNA that contains the instructions for a single trait of an organism
- tissues
- groups of cells that have similar abilities and that allow the organ to function
- cell division
- formation of 2 new cells from one existing cell
- organ systems
- groups of specialized parts that carry out a certain function in the organism, in highest level, organism is made up of this
- development
- the process in which an organism becomes a mature adult , involves cell division and cell differentiation, or specialization
- organs
- structures that carry out specialized jobs
- stimulus
- a physical or chemical change in the internal or external environment, organisms can respond to these
- organelles
- tiny structures that carry out functions necessary for the cell to stay alive
- division and enlargement
- the growth of living things results from the __________ and _________ of cells
- homeostasis
- maintenance of a stable level of internal conditions even though environmental conditions are constantly changing
- atoms
- simplest particle of an element retains all the properties of a certain element, all biological molecules are made up of these
- stimuli
- Living things may respond to external ___________ by movement toward or away from a stimulus
- unicellular
- one-celled
- cell
- the smallest unit that can perform all life's processes
- organization
- high degree of order within an organism's internal and external parts and in its interaction with the living world
- Biology
- study of life, offers and organized and scientific framework for posing and answering questions about the natural world
- reproduction
- _______ can be asexual or sexual
- multi-cellular
- multiple-celled
- biological molecules
- the chemical compounds that provide physical structure and bring about movement, energy and use, and other cellular functions, organelles contain these
- organization and presence of one or more cells, response to a stimulus, homeostasis, metabolism, growth and development, reproduction, and change through time
- name the 7 characteristics of life
- reproduction
- process in which all organisms produce new organisms like themselves and is not essential to the survival of individual organisms, but is essential for the continuation of a species