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Definition
| has two different forms for a trait |
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Definition
an organism that has two alleles for a trait that are different
Ex.(Tt,Dd) |
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Definition
| the sexual reproduction,the joining of an egg and a sperm |
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Definition
| cell process by which the nucleus divides to form two new nuclei |
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| the basic unit that carries out the life functions |
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| bands of tissue that hold muscles to bones |
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Definition
an organism that has two alleles for a trait that are the same
Ex.(TT,DD) |
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Definition
| has the same forms for a trait |
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Definition
| sex cells;23 chromosomes (1/2 the number of chromomes in body cells) |
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Definition
| body cells;23 pairs of chromosomes(46 chromosomes) |
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Definition
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Definition
| physical characteristic(what is shown) |
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Definition
| cell division where by which sex cells divide to form 4 new cells |
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Definition
| a cell spends most of its life growing and developing |
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Definition
| the passing of traits from parents to offspring |
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Definition
| process by which plants and other organisms convert light energy(sugars)to be used as food |
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Definition
| chemical reaction that breaks down food molecules into 2 simpler substances and releases stored energy |
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Definition
| the movement of molecules through the CM(cell membrane)without the use of energy |
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Term
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Definition
requires energy to move a substance through the CM(cell membrane)
Ex.Protein molecules |
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Definition
| the diffusion of water through the CM(cell membrane) |
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Definition
| the movement of molecules from an crowded are to a less crowded are; molecules move from an area of high concentration to an area of low concentration |
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Definition
| an electrically charged atom |
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Definition
| a tough band of tissue that holds bones together |
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Definition
| bone-like(rubby) tissue found at ends of bones;acts as a shock absorber and prevents bones from rubbing together |
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Definition
| pigment that gives skin its color |
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Definition
| the scientific study of heredity |
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| tight-fitting membrane that covers the surface of the bones;tough outer covering of bone |
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Definition
| anything that takes up space and has mass |
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Definition
| the organism maintains normal internal condition |
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Definition
| cells that lack membranes around the nucleus |
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Definition
| cells that have an organized nucleus with a membrane |
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Definition
| non-living thing made of two parts, hereditary material and protein coat |
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| compounds that contain carbon |
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Definition
| main source of energy and is made up of C,H,O |
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| any variation that makes an organism better suited to its environment |
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| theory that living things come only from living things |
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| A chart of an individual's ancestors used in human genetics to analyze Mendelian inheritance of certain traits, especially of familial diseases. |
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Definition
| green,chlorophyll -containing plant-cell organelle tha tuses light energy to produce sugar from carbon dioxide and water |
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Definition
| large body of matter with no definite shape |
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Definition
| The quantity of something per unit measure, especially per unit length, area, or volume |
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| The amount of space occupied by a three-dimensional object or region of space |
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Definition
| particle that contains only one type of atom |
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Definition
| change in the characteristics of living organisms over generations |
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Definition
| chemical;contains information needed by an organism to grow/function (Deoxyribonucleic Acid) |
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Definition
The idea that organisms originate directly from nonliving matter
"life from nonlife" |
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Definition
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Term
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Definition
Cranium (Skull) Vertebrae
Maxilla Humerus
Mandible Radius
Clavicle Ulna
Scapula Rib Cage
Sternum Pelvis
Femur Tibia
Fibula Phalanges
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Term
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Definition
1. Pivot Joint (turning our head)
2. Ball and Socket Joint (hips, shoulders)
3. Hinge Joint (elbows,knees, toes)
4. Gliding Joint (wrists and ankles)
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Term
| Major Functions of the Skelatal System |
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Definition
1. Gives shape and support
2. Provides protection for internal organs (brain-skull, lungs-ribs)
3. With muscles, it provides movement
4. Blood cells are produced in marrow in the center of the cell
5. Calcium & phosporus are stored here |
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Term
| Major Functions of the Muscular System |
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Definition
1. Always work in pairs
a. one contracts
b. one relaxes
2. Always pull
3. Muscles can get larger or smaller
4. Blood carries oxygen-rich molecules to the muscles
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Term
| Major Functions of the Skin |
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Definition
1. Protection
2. Sensory Response
3. Formation & Vitamin D
4. Regulates Body Temp.
5. Elimination of Body Wastes through Sweat Glands |
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