The Diversity of Cellular Life (Section 7-4)

Terms in this set (9)

What is another name for a single-celled organism?
a UNICELLULAR organism
What is cell specialization in a multi-cellular organism?
It is when an organism develops in different ways to perform different tasks.
Give some TRUE facts about CELL SPECIALIZATION.
1. Specialized cells perform particular functions within the organism.
2. The human body contains many different cell types.
3. Some cells are specialized to enable movement.
What are four levels of organization in a multicellular organism?
1. individual cells
2. tissues
3. organs
4. organ systems
What is a TISSUE?
a group of similar cells that perform a particular function
What are the four main types of tissue in most animals?
1. muscle
2. epithelial
3. nervous
4. connective tissue
Groups of tissues that work together to perform a specific function are called a(n)...
organ
What kinds of tissues can be found within a muscle in your body?
Nerve and connective tissue
What is an ORGAN SYSTEM?
a group of organs that work together to perform a specific function.
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