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7th Science Exam
Coach Butlers Class
| Question | Answer |
|---|---|
| Organism | A living thing |
| Cell | Basic unit of structure of a living thing. |
| Controlled Experiment | An experiment where all variables are the same except one. |
| Autotroph | An organism that can make its own food |
| Heterotroph | An organism that can't make its own food |
| Homeostasis | The stableness of an organisms environment apart from the changing environment around it. |
| Nucleus | Control Center of a Cell |
| Element | A type of matter in which all forms are the same. |
| Atom | The smallest unit of an element. |
| compound | two or more elements combined |
| molecule | the smallest unit of a compound |
| protein | Large organic molecules made of carbon,hydrogen,oxygen,and nitrogen. |
| enzyme | a protein that speeds up reactions |
| carbohydrate | Energy Rich Compounds such as sugar. |
| lipid | Energy rich compounds such as fats,oils,and waxes. |
| D.N.A | Genetic acid that carries info about the cells life. |
| diffusion | where a molecule moves from an area with higher concentration to an area with lower concentration. |
| osmosis | where a molecule moves from an area with lower concentration to an area with higher concentration. |
| chlorophyl | green pigment that gives the plant its green looks. |
| cellular respiration | takes the nutrients, uses them, then releases the waste. |
| chromozone | a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes. |
| trait | something from a parent or some type of ancestor that is achieved through birth. |
| heredity | the passing on of physical or mental characteristics genetically from one generation to another |
| genetics | the study of heredity and the variation of inherited characteristics. |
| gene | a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring |
| allele | one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome |
| dominant allele | in which one allele masks the other allele |
| recessive allele | the masked allele under the dominant allele |
| hybrid | something mixed together of two different species. |
| probability | the extent to which something is probable; the likelihood of something happening or being the case |
| punnet square | a diagram of the probability of the outcome of a breeding session. |
| phenotype | physical traits |
| genotype | genetic traits |
| homozygos | an individual having two identical alleles of a particular gene or genes and so breeding true for the corresponding characteristic |
| heterozygos | the formation of a zygote through the fusion of genetically different gametes. |
| pedigree | the recorded ancestry, esp. upper-class ancestry, of a person or family. • the background or history of a person or thing, esp. as conferring distinction or quality. |
| genetic disorder | disorder involving the genes of an organism |
| clone | exact replica of first copy |
| species | a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. |
| adaptation | the action or process of adapting or being adapted |
| scientific theory | comprises a collection of concepts, including abstractions of observable phenomena expressed as quantifiable properties. |
| classification | different groups organisms are divided into. |
| taxonomy | branch of science covering classification |
| binomial nomenclature | nomenclature of the name of an organism |
| taxonomic key | classification chart |
| infectious disease | disease that can be spread to one another |
| toxin | a type of poison. |
| antibiotic | a type of medicine that attacks the toxin or virus. |
| host | something a parasite eats off of. |
| parasite | organism that feeds off dead organisms |
| vaccine | an injection that sends an antibiotic to kill the toxin or virus. |
| protozoan | a single celled animal from the kingdom of phyla. |
| contractile vacuole | a vacuole that lets protozoans drain liquid. |
| cilia | tiny hairs that stick out of a protozoan |
| symbiosis | connected organisms that both earn the same amount of gains together |
| mutualism | beneficial to both involved |
| spore | reproductive cell that can grow to be a big flower |
| algea | plant like protists |
| pigment | the natural coloring matter of a plant |
| eutrophication | excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen. |
| hyphae | tiny rootlike structures that run under mushrooms |
| fruiting body | body that comes out during fertilization |
| budding | form of asexual reproduction |
| lichen | composed of a symbiotic organism and a fungus. |
| cuticle | the outer layer of tissue |
| tissue | cells working together to one specific action |
| vascular tissue | tissue that runs through the body through tubes. |
| zygote | a fertilized egg |
| rhizoid | rootlike structures underground |
| peat | built up moss under a bog |
| frond | leaf of a fern |
| hydroponics | process of growing plants without soil |
| pollination | where pollen enters the pistil |
| precision farming | knowing how much fertilizer you are using |
| organ | tissues working together to do one specific action |
Created by:
jonesray55
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