Group of similar organisms that can breed and produce fertileoffspring
Species
Group of individuals of the same species that live in the same area
Population
Assemblage of different populations that live together in a defined area
Community
Collection of all the organisms that live in a particular place together with their nonliving environment
Ecosystem
Group of ecosystems that have the same climate and dominant communities
Biome
Organism that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds; also called a producer
Autotroph
Organism that obtains energy from the food it in soon; also called the consumer
Heterotrophs
Large protein that use energy from H plus ions to buy ADP and a phosphate group together to produce ATP
ATP
One of the principal chemical compound that living things use to store and release energy
Adenosine Triphosphate
An organic compound that is composed of a dental scene and two phosphate groups
ADP
Collection of living matter enclosed by a barrier that separates the cell from its surroundings; basic unit of all forms of life
Cells
Idea that all living things are composed of cells, cells are the basic unit of structure and function in living things, and new cells are produced from existing cells
Cell theory
Small dense region within most nuclei in which the assembly of proteins begin
Nucleolus
Domain of all organisms whose cells have nuclei, including protest, plants, fungi, and animals
Eukaryotes
Unicellular organism lacking a nucleus
Prokaryote
Process by which plants and some other organisms use light energy to convert water and carbon dioxide in the oxygen and high-energy carbohydrates such as sugars and starches
Photosynthesis
Light absorbing molecules
Pigment
Principal pigment of plants and other photosynthetic organisms; captures light energy
Chlorophyll
Light collecting units of chloroplast
Photosystems
Saclike photosynthesis membrane found in chloroplasts
Thylakoids
Largest part of a typical neuron; contains the nucleus and much of the cytoplasm
Cell Body
Cell that carries messages throughout the nervous system
Neurons
Long fiber that carries impulses away from the cell body of a neuron
Axon
Extension of the cell body of a neuron that carries impulses from the environment or from other near as toward the cell body
Dendrite