Organization of Living Things. Atom Makes up all living and nonliving things.

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Presentation transcript:

Organization of Living Things

Atom Makes up all living and nonliving things

Cell Basic unit of living things cell types muscle cell blood cell Muscle cell nerve cell hair cell stomach cell

Tissue Many cells performing a function - blood, muscle, bone

Organ Several tissues working together - heart, root, liver, leaves

Organ System Several organs working together; circulatory system, digestive system, etc.

Individual Organ systems working together! Snakes, maple tree, grasshopper

Population A group of individuals (school of fish)

Community All living things in an area

Ecosystem All living and non-living things in an area Prairie - grasses, hawk, snake, soil, etc.

Planet

Cell Basics * Theories on formation * Types of cells * Differences in cells

Cell Formation- Which Theory? A)Spontaneous Generation- the thought that living things can appear from nowhere- not true

 All living things are made of cells  All cells come from other cells  Cells are the most basic unit of LIFE Cell Theory

All Cells: Four Major Parts Cytoplasm Cell Membrane Genetic Material (DNA) Ribosomes bacteria animal cell

Two Types of Cells: A)Prokaryotic: simple cells with no nucleus (bacteria and archae) pro = before karyo = nucleus

Two Types of Cells: B) Eukaryotic: Larger cells with more organelles and a nucleus (plants, animals, fungus and protists) eu = true karyo = nucleus

Two Types of Eukaryotic Cells: Plant Cells: have a cell wall, central vacuole and chloroplasts

Two Types of Eukaryotic cells Animals Cells: have no cell wall or chloroplasts

Differences in cells Cells can be different sizes- bacteria v egg Cells can be different shapes- blood cell versus muscle cell