Levels & Systems Flashcards
List the levels of biological organization in order from smallest to largest.
Sub-atomic particles, Atoms, Molecules, Cells, Tissues, Organs, Organ Systems, Organisms, Populations, Communities, Ecosystems, Biomes, Biosphere, Solar System, Galaxies, Universe
The tiny parts of an atom including protons, neutrons, & electrons.
Sub-Atomic Particles
The building blocks of all matter.
Atoms
Made of several atoms bonded together.
Molecules
The building blocks of all organisms.
Cells
A group of similar cells working together.
Tissues
A group of tissues working together in a complete body part.
Organs
A group of organs working together for a specific function.
Organ System
A complete living thing.
Organism
A single species of organisms breeding together in a certain area.
Population
Multiple species interacting in an area.
Community
All the living and non-living things interacting in an area.
Ecosystem
A group of similar ecosystems across the globe.
Biome
The thin layer of life surrounding our planet.
Biosphere
The Sun and all of the planets and other objects that orbit around it.
Solar System
A group of thousands of stars orbiting a common center of mass.
Galaxy
All of the matter and energy that exists.
Universe
List the eleven organ systems.
Digestive
Respiratory
Muscular
Endocrine
Reproductive
Lymphatic / Immune
Integumentary
Nervous
Skeletal
Excretory / Urinary
Cardiovascular / Circulatory
Which system includes the skin and other tissues that form linings?
Integumentary
Which system includes glands that produce hormones?
Endocrine
Which system exchanges oxygen and carbon dioxide?
Respiratory
Which system pumps blood throughout the body?
Cardiovascular, aka Circulatory
Which system provides a structure for muscle attachment and protects internal organs?
Skeletal
Which system moves our bodies?
Muscular
Which system gathers information about the world, analyzes the information, and makes decisions about how to respond to the information?
Nervous
Which system absorbs nutrients from food?
Digestive
Which system filters and removes nitrogenous wastes from the blood?
Excretory, aka Urinary
Which system protects the body from diseases?
Immune, aka Lymphatic
Which system produces new organisms?
Reproductive
Skin, Hair, Sweat Glands, Nails, and more are part of the _________ system.
Integumentary
Stomach, Intestines, Liver, Gall Bladder, and more are part of the _________ system
Digestive
Spleen, Bone Marrow, White Blood Cells, Lymph Nodes, and more are part of the _________ system.
Lymphatic, aka Immune
Brain, Spinal Cord, Hippocampus, Cerebellum, Cerebral Cortex, Nerves, and more are part of the _________ system.
Nervous
Lungs, Trachea, Bronchial Tubes, and more are part of the _________ system.
Respiratory
Heart, Veins, Arteries, Capillaries, and more are part of the _________ system.
Cardiovascular, aka Circulatory
Deltoids, Gastrocnemius, Biceps Brachialis, Trapezius, Gluteus Maximus, and more are part of the _________ system.
Muscular
Vertebrae, Femur, Radius, Skull, Scapula, Clavicle, and more are part of the _________ system.
Skeletal
Uterus, Prostate Gland, Testes, Ovaries, and more are part of the _________ system.
Reproductive
Thyroid Gland, Pituitary Gland, Thymus Gland, and more are part of the _________ system.
Endocrine
Urinary Bladder, Kidneys, Ureters, Urethra, and more are part of the _________ system.
Urinary, aka Excretory
