organization of life Flashcards
(16 cards)
microscopic
75 to 100 trillion in body
smallest unit of an organism
basic unit of life
cells
humans, animals, plants, fungi are examples of…
multicellular organisms
combine to make organisms
cells
how do cells in multicellular organisms combine?
atoms
macromolecules
organelles
cells
tissues
organs
organ systems
organism
composed of one cell
unicellular
types of specialized cells
red blood cells
white blood cells
kidney cells (nephrons)
nerve cells (neurons)
many cells
munticellular
group of similar cells grouped together
tissues
ameba, virus, paramecium, bacteria are examples of…
unicellular organisms
what tissues do animals have?
epithelial tissue, muscular tissue
several organs and tissues working together
organ system
what kind of tissue do plants have?
vascular tissue
digestive, respiratory, excretory, circulatory, and reproducetive system are examples of…
organ systems
different tissues grouped together
organ
what are the levels or organizxation
cells
tissues
organs
organ systems
organism
heart, liver, lung, stoomach, kidney are examples of…
organ
