Chapter 1 Introduction to Biology Biological levels of organization Flashcards
What is the smallest and most fundamental unit of matter both living and non living?
Atoms
What is a chemical structure composed of two or more atoms?
Molecule
What are many molecules put together?
Macromolecules
What is a membrane bound structure that performs a specific function?
Organelle
What are examples of an Organelle
Mitochondria, endoplasmic reticulum, Golgi apparatus
What is the smallest most fundamental unit of structure in living organisms?
Cell
What are two basic types of cells?
Prokaryotes (Single cells) and Eukaryotes ( multicellular).
What are single celled organisms that lack organelles and nucleus?
Prokaryotes Ex: bacteria and a blood cell.
What is a multicellular organisms that possess membrane bound organelles?
Eukaryotes Ex plants, animals, humans, fungi
What is a group of similar cells that perform the same function?
Tissue
What is a collection of multiple tissues with a common or related function?
Organ
What is a collection of functionally related organs?
Organ system
What is an individual form of life such as a plant, animal, bacterium, protest, or fungus?
Organism
what is a group of the same species living in a specific area?
Population
What is a group of different species living in a specific area
Community