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