What Do You Understand by Level of Organization in Terms of Organism Flashcards

What do you understand about the level of organizations in terms of an organism? These concepts are essential to learning if you are seeking a degree in biology or studying for a test. The cell is the most fundamental unit of life. A cell is more significant than a molecule, and it is one of the levels of the organization. Read and study these flashcards, and you will be ready to take the quiz.

117 cards   |   Total Attempts: 182
  

Cards In This Set

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The levels of organization from least to most complex
-cell-tissue-organ-system-organism
Cytology
The study of the cell and its structural and functional unit of life.
Cytoplasm
Jellylike matrix of proteins, salts, water, dissolved gases, and nutrients
Organelles
Inside cytoplasm and provide specialized functions for the cell
Chromatin
Threadlike structures
Chromosomes
Formed by chromatin when the cell is ready to divide
Tissues
Group of cells that perform a specialized activity 
Epithelial tissue
Covers surface of organs
Connective tissue
Supports and connects tissues and organs (fat, cartilage)
Muscle tissue
Contractile tissue, contraction, movement
Nervous tissue
Transmits electrical impulses
Organ
Composed of at least two or more tissue types. Stomach is made up of connective tissue, muscle tissue, epithelial tissue, and nervous tissue (smooth).
System
Composed of varying numbers or organs and accessory structures that have similar or related functions
Organism
Highest level of organization
Midsagittal
Median