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CHCS-Science
7th-2017-EXAM-chapter 3
Question | Answer |
---|---|
List 5 characteristics of living things. | Life spans-Can Reproduce-Grow-Made of Cells- Require energy |
What are organisms made of only one cell? | unicellular |
Define tissue. | a group of similar cells the perform a special function |
List two ways organisms might obtain energy. | sunlight or soil |
What are the tiny living structures that form all living things? | cells |
List 4 basic functions of all living things. (all cells...) | use energy- manufacture materials-reproduce themselves-respond to their enviorment |
State the 3 points of the cell theory. | all cells come from preexisting cells-All living things are made of cells and of the products of cells-The functions of living things are preformed by the cells they are made of |
List 4 categories of molecules | carbs-proteins-nucleic acids-lipids |
List one function of protein in a cell | store food |
List two major types of nucleic acids | DNA-RNA |