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STAAR Science Terms

STAAR 8th Grade Science Terms and Questions

What is High Biodiversity? In an ecosystem that is diverse, it has a high sustainability because if one organism dies out there will be other organisms to consume
What is Low Biodiversity? In an ecosystem that is not diverse, if one organism dies than it would be a huge effect on the other organisms
What is Natural Selection? A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits.
What is Selective Breeding? When genetic traits are purposefully chosen when breeding organisms for future offspring
What is the main function of the Integumentary system? It covers and protects the body
What is the major organ of the integumentary system? Skin
What is the main function of the Muscular System? Allows Movement
What is the major organ of the Muscular System? Skeletal, Cardiac, and Smooth muscles
What is the major function of the Skeletal System? Provides structure and support, and protects internal organs
What is the major organ of the Skeletal System? Bones
What is the major function of the Circulatory System? Transports food, O2, CO2, and wastes
What is the major organ of the Circulatory System? Heart, Blood, and Blood Vessels
What is the major function of the Respiratory System? Exchanges oxygen and carbon dioxide
What is the major organ of the Respiratory System? Lungs, Trachea, and Diaphragm
What is the major function of the Nervous System? Receiving information, Responding to stimuli, Maintaining stable internal environment.
What is the major organ of the Nervous System? Brain and Spinal Cord
What is the major function of the Endocrine System? Controls hormones and growth development
What is the major organ of the Endocrine System? Pituitary Gland and adrenal glands
What is the major function of the Reproductive System? Process by which living things produce new individuals of the same type
What is the major organ of the Reproductive System? Ovaries and Testicles
What is the major function of the Digestive System? Breaks down food and absorbs nutrients
What is the major organ of the Digestive System? Stomach, Intestines, and Esophagus
What is the major function of the Excretory System? Removes waste from blood and urine
What is the major organ of the Excretory System? Kidneys and bladders
What is the Cell Wall? Provides support only for PLANT cells. Very similar to the skeletal system
What is chloroplast? Changes sunlight into usable energy for the PLANT through a process called photosynthesis.
What is cytoplasm? Jelly-like substance that carries nutrients around the cell.
What is a vacuole? Stores food and water for the cell.
What is a mitochondria? Provides energy for the cell. AKA "The Power-House of the Cell"
What is an nucleus? Tells the cell what to do. AKA "The Brain"
What is the Cell Membrane? Controls what enters and exits the cell.
What is the difference between the animal and plant cell? Does not have cell wall and chloroplast on Animal Cell
What is the cell theory? All organisms are made up of cells, cells are the building blocks of life, and are created from old cells
What is sexual reproduction? It is genetically unique offspring
What is the asexual reproduction? It is genetically identical offspring
What is the similarity between sexual and asexual reproduction? Produces offspring
How many chromosomes are in an offspring? 46 chromosomes
How many chromosomes are taken from each parent when making an offspring? 23 chromosomes
Where are chromosomes located in? They are located in the nucleus and the DNA is wrapped around the chromosomes
What are the 8 types of taxonomy? Domains, Kingdom, Phylum, Class, Over, Family, Genus, and Species (Dear King Phillip Came Over For Good Soup)
What are the 6 kingdoms? Protists, Archaebacteria, Plants, Animals, Fungi, Eubacteria (Peas Are Pretty Awful For Eating)
What are Spring tides caused by? New Moon and Full Moons
What are Neap Tides caused by? 1st Quarter and Third Quarter
Name the moon phases in order: New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Third Quarter, Waning Crescent
Created by: Sabrina_thecool
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