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end of year review
7th grade end of year review stack
| question | Answer |
|---|---|
| The organelle in a cell that contains DNA and controls what the cell does | Nucleus |
| Why is it a bad idea to eat in the lab | your food can contaminate chemicals or the chemicals can get in your food and make you sick |
| what cellular organelle is responsible for breaking down glucose to make energy | mitochondria |
| what cellular organelle is selectivly permiable and controls what goes in and out of the cell | cell membrane |
| compounds that contain both carbon and hydrogen are | organic |
| what organic compound is sugar? | carbohydrate |
| responsible for breaking down food and absorbing nutrients for the body | digestive system |
| transports oxygen to the body's cells | circulatory system |
| this organelle creates food from sunlight during the process of photosynthesis | chloroplast |
| this organelle gives a plant cell structure and support | cell wall |
| this system controls hormones in the human body | endocrine |
| this system protects and covers the body | integumentary |
| a group of individuals from the same species living and a given geographical area | population |
| a group of populations living in a given area | community |
| the role an animal plays in it's environment including where it lives and what it eats | Niche |
| the top of the water in an aquifer where the zone of aeration meets the zone of saturation | water table |
| What term is used to describe an educated quess written before an experiemnt in the form of an if...then statement | hypothese |
| the breaking apart of rock | weathering |
| the movement or carrying away of sediment | erosion |
| Deltas are an example of | deposition |
| What kind of change occurs when the teeth physically chew the food | physical |
| when stomach acid in the stomach breaks down food into smaller molecules | chemical change |
| what is the energy transfer during photosynthesis | radiant to chemical |
| what is the energy transfer from hamburger to human | chemical to mechanical |
| The danger to this catastrophic event is flying debris. This event occurs with little warning and happens mainly in the central US | Tornado |
| This catastrophic event can last for a few days and occurs on coastal areas | hurricane |
| A wilting plant has low _____________ | turgor pressure |
| the transport vessels in a plant that bring nutrients and water up from the soil | xylem |
| What would be the quickest way to rid the body of a food born illness to maintain homeostasis | vomit or throw up |
| This organelle can be related to a window screen, which lets air in but keep bugs out | cell membrane |
| what organelle can be related to the UPS because they package and ship protiens | golgi bodies |
| What organelle can be related to the white house because it controls our country | nucleus |
| what should you do if you break glass during a lab | tell the instructor |
| what do decomposers release when the eat/ break down dead matter in a compost bin? | energy |
| If a person in san antonio pours the used oil from thier car in thier yard, where could this end up | edwards aquifer |
| A mouse species lives in the desert.The dark mice are usually eaten by predators because they are easier to see than the lighter mice. what would happen to the population if a catastrophic event took away the top soil, revealing the darker soil underneith | the mice population would favor the darker trait |
| this system rids the human body of waste | excretory |
| this system includes the five senses and helps the body respond to internal and external stimuli | nervous |
| the job something does | function |
| the way something is built or made | structure |
| an explination of things or events based on many observations | theory |
| A group of cells that work together to perform a specific job | tissue |
| a group of tissues that work together to perform a specific job | organ |
| All organisms are made of one or more of these | Cells |
| what scientific instrument could you use to view very small pond organisms? | microscope |
| A general term for membrane bound structures found in a eukaryotic cell | organelle |
| the heart and brain are examples of | organs |
| Trail mix, Kool-aid and Blood are all examples of ________________ | mixtures |
| hydrogen, oxygen and sulfur are all examples of | Elements |
| two or more elements that combine chemically form a | compound |
| what type of organic compound is found in the cell membrane? | lipids |
| what piece of equipment would you use to measure the mass of a solid? | triple beam balance |
| what piece of equipment would you use to measure the volume of a liquid | graduated cylindar |
| what system gives shape and structure to the body and supports muscles and organs? | skeletal system |
| an organ that relaxes and contracts | muscle |
| this systems functions to move your body | muscular |
| Anything that can cause a response in an organism | stimulus |
| Day lenght chages causing tree leaves to change color, what is this an example of? | external stimulus |
| the regulation of steady life maintaining conditions inside the human body | homeostasis |
| this organ uses force to move blood through the body | heart |
| these organs contract and relax to move your bones | muscles |
| this system brings oxygen into the body and releases carbon dioxide | respiratory |
| what three things must a plant have in order for photosynthesis to occur | carbon dioxide, water and light |
| what two systems work together to get oxygen to your cells? | respiratory and circulatory |
| Dr. Hobbs is looking at a skin cell under the microscope, where can he find the genetic material? | nucleus |
| type of digestion that is the breaking and crushing of food | mechanical |
| type of digestion that occurs when food is broken down into smaller molecules that the body can use | chemical |
| controls and regulates the body's chemistry through hormones | endocrine |
| functions to ensure survival of a species | reproductive system |
| when you are running outside in the hot, June weather, this system helps your body cool down by responding to the internal and external environment | nervous |
| this type of reproduction occurs with only one parent, where the offspring is genetically identical to the parent | Asexual |
| this determins traits | genes |
| the passing of traits from parent to offspring | heredity |
| the study of heredity | genetics |
| a small section of DNA on a chromosome that has information about a trait | Gene |
| a distinguishing quality that can be passed from one generation to another | trait |
| one form of a trait covers up or masks another | dominance |
| the trait that is covered up by another form of that trait | recessive |
| word to discribe an organism having one dominant gene and one recessive gene for a particular trait | hybrid |
| when humans select which plant or animal will reproduce | selective breeding |
| a new organism produced by reproduction | offspring |
| seasonal movement of animals from one place to another | migration |
| structure, behavior or other trait in an organism that helps it to survive in its environment | adaptation |
| group of organisms that can mate and produce offspring that in turn can produce more offspring | species |
| process by which organisms change over time as those with traits best suited to an environment pass their traits to the next generation | natural selection |
| a deep sleep in which body systems reduce to minimal levels; helps some animal species survive winter | hibernation |
| genes are found on | chromosomes |
| according to Darwin, the key to natural selection is: | successful reproduction |
| long, thick fur would help organisms living in what type of biome | artic, because it is cold |
| Fish have tiny capilaries that filter the oxygen out of the water for them to use. what is this structure called? | gills |
| how do hollow bones help birds | making them lighter and more aerodynamic |
| a sequence of steps that allows the identification of a living thing | dicotomous key |
| some animals, like fish and butterflies, have marks that look like eyes near thier back end. how can this help them survive | the spots confuse the predator, allowing the animal more time to escape |
| all living and non-living things in a given area | ecosystem |
| an organism that makes it's own food is known as | producer |
| an organism that eats plants or other animals | consumer |
| an organism that only eats plants | herbivore or primary consumer |
| an organism that only eats other animals | carnivore |
| shows the transfer of energy through an ecosystem | food web, food chain, energy pyramid |
| a plants growth response to an external stimulus | tropism |
| a plants growth due to gravity | gravitropism or geotropism |
| a plants grwoth in response to light | phototropism |
| a plant's growth in response to water | hydrotropism |
| a plant's growth in response to touch | thigmotropism |
| this catastrophic event can drown animals and pollute water systems | flood |
| this catastrophic event happens along fault lines and plate boundaries. | earthquakes |
| this catastrophic event can cause ash to build up in the atmosphere, blocking out the sun and enabling plants to photosynthesize | volcanic eruption |
| this can start primary succession | volcanic eruption with lava |
| the pioneer species for primary succession | lichen and moss |
| the pioneer species for secondary succession | grasses |
| a change in a community over time towards a more stable condition | succession |
| this type of succession starts after a disturbance | secondary |
| water that is found below the ground is in an | aquifer |
| Texas is currently in a drought. therefore, we can assume that the water table | has decreased or gone down |
| the area where the zone of aeration and the zone of saturation meet | water table |
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i0805062
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