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Bio 2 - GLOSS - 03
š§¬š1ļøā£ Module 4 - BIOLOGY GLOSSARY - SET 3
| Question | Answer |
|---|---|
| fertilization | The process in which sperm and egg combine to form a new organism. |
| external fertilization | Fertilization that occurs outside the body, usually in water. |
| internal fertilization | Fertilization that occurs inside the female reproductive tract. |
| fission | A form of asexual reproduction where one organism splits into two similar individuals. |
| stem cells | Undifferentiated cells capable of developing into specialized cell types. |
| genetic diversity | Differences in DNA among individuals that increase a populationās adaptability. |
| mutation | A change in DNA that can create new traits or variations. |
| natural selection | The process where organisms with advantageous traits survive and reproduce more successfully. |
| chromosomes | Structures made of DNA that carry genetic information. |
| sex determination | The biological system that decides whether an organism develops as male, female, or both. |
| environmental sex determination | A system where environmental factors (like temperature) determine sex. |
| sexual differentiation | The development of physical and biological traits associated with sex. |
| hermaphrodite | An organism with both male and female reproductive organs. |
| simultaneous hermaphrodite | An organism that has functioning male and female systems at the same time. |
| sequential hermaphrodite | An organism that changes sex during its lifetime. |
| mate | A partner with which an organism reproduces sexually. |
| reproductive cells | Specialized cells (sperm and egg) used in sexual reproduction. |
| invertebrate | An animal without a backbone. |
| vertebrate | An animal with a backbone. |
| chromosome duplication | The copying of chromosomes during the cell cycle; also called endoreplication. |