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| What are six characteristics that all living organisms have in common? |
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Definition
| have life spans, can reproduce, can grow, are made of cells, require energy, and respond to their environment |
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| Stages of an organism's life |
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Definition
| Begins when it receives life from its parents, continues thru periods of growth and reproduction, it ends when the organism dies. |
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| a tiny unit of living material surrounded by a thin membrane |
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Definition
| all the material, except the nucleus, inside a cell |
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| a substance that contains carbon; normally made by living organisms |
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Definition
| tiny organisms made of only one cell |
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| organisms made of many types of cells |
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Definition
| a group of similar cells working together |
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| organisms that are made of many cells that usually live together but could live by themselves |
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Term
| What is the main way that an organism obtains energy? |
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Definition
| Animals and humans obtain it from the food they eat. Plants use sunlight to make sugar, later, it breaks down the sugar and the energy stored in it is released. |
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Term
| What are two major activities that require organisms to use energy? |
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Definition
| movement and response to conditions |
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Definition
| a complex organization of nonliving substances that is kept alive by using energy and that has the characteristics of living things. |
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Definition
| Man's relationship with God |
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Term
| A complete living thing is called a/an __________________. |
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Definition
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Term
| Are all organisms cellular? |
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Definition
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Term
| How are tissue and a colonial organism similar? |
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Definition
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Term
| How are tissue and a colonial organism similar? |
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Definition
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Term
| How are tissue and a colonial organism different? |
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Definition
| The tissue is a group of cells working together and a colony the group of cells usually live together but could live by themselves. |
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Term
| Name a life process that requires energy. |
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Definition
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| tiny living structures that make up all living things |
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Definition
| perform functions that no other cells do |
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Term
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Definition
| 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 performed by the cells they are made of |
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Term
| List the four functions common to all cells. |
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Definition
| All cells use energy, all cells manufacture materials, all cells respond to their environment, all cells reproduce themselves |
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Term
| Describe how all cells use energy |
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Definition
| To keep the complex processes of life going and to keep all of its parts organized and working properly, the cell must continue to use energy to live |
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Term
| Describe how all cells manufacture materials |
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Definition
| Cells make materials for use within themselves and sometimes for use elsewhere. Each cell must assemble its own cell parts from simple substances for growth and maintenance i.e. gland cells in your skin release oil |
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Term
| Describe how all cells respond to their environment |
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Definition
| Cells live in changing environments, therefore, cells must be able to respond to change i.e. cells in the back of your eyeball are extremely sensitive to light |
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Term
| Describe how all cells reproduce themselves |
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Definition
| cells grow until it reaches a certain size and then divides or when a unicellular organism divides, two new complete organisms are formed or in multicellular plants and animals when they divide, the new cells may replace old, worn-out cells. |
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Term
| Who was the English scientist to first use the word cell? |
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Definition
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Term
| According to the cell theory, can anything not be made of cells be alive? |
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Definition
| No because all living things are made of cells. |
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Term
| What happens when a cell stops using energy? |
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Definition
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Term
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Definition
| a particle or small structure of a cell |
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Term
| List the four categories of molecules that are essential to life. |
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Definition
| carbohydrates, proteins, nucleic acids and lipids(fats) |
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Term
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Definition
| a substance that contains only carbon, hydrogen and oxygen ex. sugar or starch |
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Term
| Give an example of a carbohydrate |
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Definition
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Term
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Definition
| a substance made of long chains of amino acids; may serve as an enzyme or as a cellular building block; found in certain foods |
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Term
| Tell what structures make up proteins |
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Definition
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Term
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Definition
| contain all the instructions that living cells need to make proteins and maintain life |
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Term
| Name the 2 major types of nucleic acids |
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Definition
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Term
| What are 2 major uses of lipids? |
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Definition
| energy storage and the lipid molecules in a membrane have structural, communicative and transportive functions |
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Definition
| catalysts that help change other substances without being permanently changed themselves |
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Term
| What are some enzyme functions? |
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Definition
| can break down or put together enzymes or particles in the body |
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Term
| What smaller units compose molecules? |
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Definition
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Term
| Name 2 carbohydrates found in living organisms. |
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Definition
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Term
| What is one use of cellulose. |
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Definition
| eat as dietary fiber which helps move softer food materials out of the digestive system |
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Term
| What are the smaller molecules that make up proteins? |
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Definition
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Term
| Which nucleic acid contains the coded instructions for the organism? |
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Definition
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Term
| What are organisms made of only one cell called? |
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Definition
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Term
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Definition
| A group of similar cells working together |
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Term
| List 2 ways organisms might obtain energy |
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Definition
| movement and response to their conditions |
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Term
| State the 3 points of the cell theory. |
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Definition
| *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 performed by the cells they are made of |
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Term
| List four basic functions of all living cells |
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Definition
| *use energy *manufacture materials *respond to environment *reproduce |
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Term
| List one function of protein in a cell |
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Definition
| some are food storage molecules, some fight disease, the contraction of proteins within muscle cells cause your muscles to move, many of the life-supporting processes are regulated by proteins |
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Term
| List 2 major types of nucleic acids |
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Definition
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Term
| What would happen to a cell of a colonial organism if you separated it from the other cells? |
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Definition
| They could live by themselves successfully |
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Term
| Why do organisms need energy to live? |
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Definition
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Term
| Why are enzymes important to living things? |
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Definition
| every living organism contains them; they help change other substances without being permanently changed; they are very specific in their jobs |
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Term
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Definition
| No, they are important to maintain good health |
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Term
| A complete living thing is called a/an ____________________. |
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Definition
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Term
| Which of the following characteristics indicate(s) that something is alive? A. It can reproduce B. It requires energy C. It can respond to its environment D. all of the above |
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Definition
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Term
| A living material inside a cell is called ________________. |
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Definition
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Term
| A tissue is a/an A. group of similar cells working together B. multicellular organism C. colonial organism D. unicellular organism |
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Definition
| A. group of similar cells working together |
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Term
| Which one of the following does not belong with the others? A. leaves B. skin C. bacteria D. muscles |
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Definition
| C. bacteria (it's unicellular) |
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Term
| All living things require energy to stay alive. (True or False) |
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Definition
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Term
| Which statement(s) is/are part of the cell theory? A. All living things are made of cells B. The functions of living things are performed by cells C. All cells come from preexisting cells D. all of the above E. only A & B |
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Definition
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Term
| What are the 4 basic cellular functions? |
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Definition
| Use energy, Manufacture materials, Respond to environment, Reproduce |
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Term
| What are 4 kinds of molecules that are necessary for life? |
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Definition
| carbohydrates, proteins, nucleic acids, lipids |
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Term
| Proteins are made of chains of __________________________. |
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Definition
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Term
| DNA is an example of a A. nucleotide B. nucleic acid C. lipid D. carbohydrate |
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Definition
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