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T#4 Grow & Repr
This stack includes both terms/defs AND "target practice" with images.
| Term | Definition |
|---|---|
| growth | when an organism increases in size either by making its cell bigger or by making more cells |
| development | when an organism gains new abilities or physical features as it ages |
| reproduction | when an organism makes more of its kind ('has babies') |
| sexual | adjective to describe reproduction with two parents - each parent contributes half of the genetic material to the offspring |
| sperm | male reproductive cell |
| egg | female reproductive cell |
| fertilization | when sperm and egg combine to form offspring |
| zygote | name for the fertilized egg when it is still just a single cell |
| asexual | adjective to describe reproduction with only one parent |
| regeneration | asexual reproduction to replace damaged or lost cells, tissues, or organs in a multicellular organism |
| budding | asexual reproduction when the offspring grows from the body of the single multicellular organism |
| offspring | science name for the 'babies' or 'children' of a parent |
| cell division | process a cell goes through to split its cellular contents in half and then separate into two cells |
| DNA | molecule (located in the nucleus) that contains the instructions for how to make an organism; also called genetic material |
| genetic variation | differences in DNA when comparing one organism to another |
| unique | adjective to describe how an organism is 'one of a kind,' genetically speaking |
| identical | adjective to describe how an organism is an 'exact copy,' genetically speaking |
| reproductive behavior | actions an animal does to increase its chances of successfully finding a mate, mating, or raising offspring |
| reproductive strategy | adaptations a plant has that increase its chances of successfully getting pollinated or making sure its seeds will make it to germination |
| reproductive success | when an organism makes offspring that end up having offspring of their own |
| germination | process where a seed comes out of dormancy and begins to grow to become a young plant |
| quantify | when you count something or describe it with numbers |
| measure | when you quantify using a tool that counts in standard units |
| units | what you count by when you measure a certain quantity |
| metric system | the way measurement is done everywhere in the world (except the United States) using grams, meters, and liters…all using decimals and powers of ten |
| English system | the way measurement is done in the United States using pounds, feet, gallons, etc. |
| cotyledon | ‘seed leaf,’ the biggest part of a seed which provides energy for the young plant until it can make its own food by doing photosynthesis |
| seed coat | protective outer covering of a seed before it germinates |
| radicle | the first root put out by a germinating seed |
| fission | asexual reproduction when bacteria split into two daughter cells |
Created by:
wholt
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