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Cell Diversity
Leaving Cert Biology
| Question | Answer |
|---|---|
| What do you call the small units that all living organisms are made of | Cells |
| What do you call a group of similar cells that carry out the same function | Tissue |
| What are the four main types of plant tissues | Dermal, Vascular, Ground and Meristematic |
| Where would you find dermal tissue in a plant | Covering layer (Top and Bottom) |
| What is another name for the dermal layer | Epidermis |
| Some plants have a water proof layer on their on top of epidermis, what is this called | Cuticle |
| What is the main function of the dermal layer | Protection |
| Name the two type of vascular tissue | Xylem and Phloem |
| What is the function of the xylem | Transport water |
| What is the function of the phloem | Transport food |
| Name two animal tissues | Connective and Nervous |
| What is connective tissue | Tissue that consists of a number of cells that joins and supports other body tissues |
| Give an example of connective tissue | Blood, bone or cartilage |
| What is nervous tissue | Tissue composed of nerve cells called neurons |
| What is tissue culture | The growth of tissues in or on an artificial medium outside an organism |
| What is the term used to describe the growth of cells outside the body | In-vitro growth |
| What is the term used to describe the growth of cells inside the body | In-vivo growth |