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Woodruff-8th grade
Woodruff-8th grade test- Life Science
| Question | Answer |
|---|---|
| ____ are the basic unit of living things | cells |
| Cells form tissues which form ____ which form systems which form _____. | organs, organisms |
| Mitochondria of cells control _____. | respiration |
| Controls what goes in and out of the cell | cell membrane |
| Part of the cell that makes protein | ribosomes |
| Only plant cells have ____ and ____. | cell wall and chloroplasts |
| Chloroplasts contain _____ for photosynthesis | chlorophyll |
| ____ are nutrients are important for growth and repair | proteins |
| Nutrients that provide quick energy | carbohydrates |
| ____ is the main source of energy for plants, animals and humans | sun |
| Name three types of asexual reproduction | binary fission, budding and regeneration |
| _____ is the life cycle of organisms such as the frog and butterfly | metamorphosis |
| A _____ microscope uses two lenses to view small objects. | compound |
| The (fine, coarse) knob moves the image into view | coarse |
| The (coarse, fine) knob on the microscope brings the image into focus | fine |
| A ____ is used to see clear objects in the field of view | stain |
| Abnormal cell division | cancer |
| _____ adaptations enable us to survive like birds having hollow bones or owls seeing at night | physical |
| Changes in an organism's environment can cause them to become endangered or ____ | extinct |
| Where living and nonliving organisms interact | ecosystem |
| Organisms get ____ from the food they eat | energy |
| Plants are (consumers, producers) | producers |
| Herbivores eat ____ | plants |
| Carnivores eat ____ | meat or animals |
| Omnivores eat ____ and ____ | plants and animals |
| The food pyramid shows energy being passed with the (least, most) energy on the bottom | most |
| The three symbiotic relationships are mutualism, commensialism and _____. | parasitism |
| _____ is when one community is replaced with another until a climax community is achieved. | ecological succession |
| List four renewable resources | water, solar, wind and soil |
| List four non-renewable resources | fossil fuels, coal, oil and gas |
| How are living things classified? (King Philip came over from great Spain) | Kingdom, Phylum, Class, Order, Genus, Species |
| Two types of cell division are ____ and ____. | sexual and asexual reproduction |
| Cell division with the same number of chromosomes | mitosis |
| Cell division with half the number of chromosomes | meiosis |
| Embryo through cleavage and differentiation | zygote |
| Name the female parts of the flower | pistil, stigma, style, and ovary |
| Name the male parts of the flower | anther, filament, pollen, sperm |
| flower pollinates another flower | cross-pollination |
| Flower has both male and female parts | self-pollination |
| When pollen fertilizes the egg | pollination |
| Spreads the seeds by wind, animal and explosion. | seed dispersal |
| When seeds being to grow | germination |
| Determined by genetic material on your genes | trait |
| Trait that is showing | dominant |
| Trait that is not showing | recessive |
| Shows probability that a trait is inherited | Punnet square |
| ______ causes natural selection, genetic engineering, mutations, and genetic | Evolution |
| Process of removing the nucleus of an egg cell and replacing it with the nucleus of mother's skin cell and inserting it back into the uterus | Cloning |
| ______ system supports the body | Skeletal |
| Joins bones to bones | Ligaments |
| Joins bones to muscles | tendons |
| Moves organs and body parts | muscular system |
| Muscles you control | voluntary |
| Muscles you don't control | involuntary |
| ______ system includes both nervous and endocrine systems | regulatory |
| _____ system controls body activities | Nervous |
| Nerve cells | neuron |
| Contains brain, spinal cord, nerves, and sense organs | nervous system |
| System that regulates body activities with hormones secreted by the glands | Endocrine system |
| System that breaks down food | Digestive system |
| System that contains the pancreas, liver, stomach, gall bladder, small intestine and large intestine | Digestive system |
| System that consists of the heart and blood vessels and transports materials | Circulatory system |
| Carry blood away from the heart | arteries |
| Carry blood to the heart | veins |
| Connect arteries to veins and the place where gas exchange occurs | Capillaries |
| Which side of the heart gets the oxygenated blood? | left |
| Describe the flow of blood through the heart | lungs to left atrium to valve to left ventricle to rest of body to right atrium to valve to right ventricle to lungs |
| System that exchanges gases with the environment | Respiratory system |
| Where does gas exchange take place in the lungs? | between the air sacs (alveoli) and capillaries |
| System that removes waste from the body and contains the lungs, skin, and kidneys | Excretory system |
| System that produces offspring | Reproductive |
| Where fertilization takes place | oviduct |
| Where the egg develops into an embryo | uterus |