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LIFESCIENCEWORD(R-Z)
| Question | Answer |
|---|---|
| Recessive Trait | A trait that is expresses in an offspring only if both parents contribute it |
| Reflex | An involuntary response |
| Reproductive Strategy | Any behavior, structure, or function that helps the organisms reproduce or protect offspring |
| Respiratory System | The system that takes in oxygen from the air and expels carbon dioxide |
| Retina | The layer in the back of the eye that contains photoreceptors |
| Rod | A photoreceptor in the eye that is responsible for night vision |
| Saliva | A watery liquid in the mouth that softens food for swallowing |
| Science | A branch of study that relies on observation and experiments to prove facts about natural events |
| Scientific Law | A statement that is accepted as universal fact, often expressed as a mathematical equation |
| Scientific Method | An approach to investigation that consists of a series of steps: question, hypothesis, collection and analysis of data, explanation, conclusion, and communication |
| Scientific Theory | A hypothesis that has been tested repeatedly using the scientific method |
| Sedimentary Rock | Rock formed by the deposition of material on Earth's surface or within a body of water |
| Seed | The first stage of life for flowering plants and some nonflowering plants |
| Sensory Receptor | A nerve ending that senses and responds to stimulus |
| Sexual Reproduction | A type of reproduction in which there are two parents, and the offspring is genetically different from both parents |
| Skepticism | A type of behavior that questions facts that have no evidence |
| Sperm | The male gamete |
| Spore | A reproductive structure in some nonflowering plants and fungi |
| Stimulus | Anything that causes a reaction in the body |
| System | A group of related parts that work together to perform a task or complete a process |
| Taste Bud | A group of cells in the mouth that contain sensory receptors for taste |
| Tissue | A mass of cells that perform a specific function for the body |
| Trait | A characteristic that is determined by genes |
| Transcription | The process that makes RNA from DNA |
| Translation | The process that messenger RNA uses to make proteins |
| Unit | A measure of a given quantity |
| Variable | A characteristic, number, or quantity that takes different values in different situations |
| Vertebrate | An organism with a spinal column, or backbone |
| Vestigial Structures | Body parts that remain in an organism, but have lost their original function due to the process of evolution |
| Virus | A microscopic agent that contains genetic material and reproduces inside the host cell of another organism |
| Zygote | A diploid cell that forms when two haploid gamete cells come together |
Created by:
MagnusCarlsen
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