| A | B |
|---|
| acid rain | rain that contains higher than normal levels of acid,that is less than a pH of 5.4 |
| alloy | a homogeneous mixture of a metal with one or more metals or non metals |
| asexual reproduction | the formation of a new individual from a single orgamism |
| atom | the smallest unit of matter that can take part in a chemical change |
| atomic number | the number of protons in the nucleus of an atom |
| cell wall | rigid stucture surrounding the cell membrane of plants,fungi,and some unicellular organisms,protects and supports the cell. |
| colloid | a type of mechanical mixture in which extremely small particles are evenly and stably distributed in one or more others |
| clone | indentical copy of a molecule,gene,cell,or entire organism |
| compound | a pure substance made up of two or more elements that are chemically combined |
| density | the amount of mass in a certain unit volume of a substance |
| gene | a segnet of DNA on a chromosone that enclose a particular protein |
| kingdom | one of the five major subdivisions(plants,animals,protist,fungi,momera)that include all living organisms |
| diploid | having two sets of chromosones ,the diploid number for a human cell is 46(2x23) |
| mass | the amount of matter in a substance often measured with a balance |
| zygote | the new cell formed by the process of fertilization |
| telophase | is the last phase of mitosis |
| eggs | the gametes in female animals |
| cervix | muscular neck at the base of the uterus |
| embryo | a fertilized egg during early development. |
| vacoule | are fluid filled store houses that contain water,foods,and wastes |
