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1º SCIENCE UNIT 8 s1

1. Life on Earth

TermDefinition
LIPIDS Organic biomolecules that provide energy reserves
CARBOHYDRATES Organic biomolecules that give energy to the organism
PROTEINS Organic biomolecules that are needed for growth and mantain body structures
NUCLEIC ACIDS Organic biomolecules that are responsible for holding genetic information (such as DNA)
WATER The principal inorganic biomolecule in living things where reactions take place in organisms
NUTRITION Function of living things that enables organisms to obtain energy to perform activities such as growing and restoring damaged structures
INTERACTION Ability of organisms to obtain information about the changes in their environment and their own organism, and to adapt to these changes
REPRODUCTION Capacity of organisms to form new individuals similar or identical to them
GENETIC MATERIAL DNA wich contain the information to control the functions of the cell and determines an organism´s characteristics and heredity
ORGANELLES Compartments of the cell that have different functions and are contained in the cytoplasm
PROKARYOTES Type of cell with genetic material dispersed throughout the cytoplasm, doesn´t have a defined nucleus
EUKARYOTES Type of cell with a nucleus surrounded by a double membrane
CELL WALL Protective covering that gives the cell its shape and rigidity
CHLOROPLASTS Cell organelles where photosynthesis takes place, they contain chlorophyll
MITOCHONDRION Cell organelle that produces energy through cellular respiration
TISSUE A group of cells that have a similar structure and function
CELL The organisational and functional unit of living things
CELL MEMBRANE A covering which surrounds and protects the cell and controls the passage of substances in and out of it
CYTOPLASM Viscuous liquid inside a cell
VACUOLE Bubble inside a cell that stores food, minerals and water or digests substances
CENTROSOME Organelle involved in cell division
FLAGELLUM Filament of some bacteria that helps them to move around
MICROSCOPE Optical instrument that magnifies images
TAXONOMY Science of classifying organisms using a hierarchical system
BIODIVERSITY The diversity of life on Earth
ENDANGERED SPECIES Organisms which are under the threat of extinction
ENDEMIC SPECIES One that can only be found in a particular region and nowhere else in the world
Created by: Rosaliceo