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LMS Science Final 14
science final review from Mrs. Dunham
| Question | Answer |
|---|---|
| What organelle is found in a plant cell but not an animal cell? | Chloroplast, Cell Wall |
| Which organisms are found in the trophic level containing the greatest amount of available energy? | producers |
| Which process is responsible for the variety of hair color in a litter of dogs? | sexual reproduction |
| Explain why a small tree on a hillside does not grow straight out from the hillside. | The tree's roots and trunk are growing in response to gravity. |
| Are safety goggles necessary in the lab if wearing eyeglasses? | Yes |
| Is it safe to test a substance in the lab by tasting it? | No |
| Evidence to support Mendel's theory about inheritance would be ... | two solid brown dogs having a litter of solid brown puppies. |
| Which body system moves oxygen into the blood and removes carbon dioxide from the blood? | respiratory system |
| The source of energy for a food chain is | sunlight |
| Which body system moves oxygen to the cells and contains structures that help the body fight infections? | circulatory system |
| What do the arrows in a food web represent? | the direction of energy flow |
| Why is it necessary to have sunlight in the photosynthesis equation? | The process cannot occur without energy from the sun. |
| After a volcanic eruption, what is the first biotic factor to return? | Lichens growing on rocks. |
| What compound is organic? | glucose (C6 H12 O6) |
| What elements could make a synthetic organic molecule? | carbon, hydrogen, oxygen, phosphorus, nitrogen, sulfur |
| Which organism in the food chain is responsible for transforming radiant energy into chemical energy? | grass (producer) |
| What changes occur when food is chewed? | both physical and chemical changes |
| A mutation means ... | the genetic information didn't copy correctly. |
| Carbohydrates can be broken down into smaller molecules called | glucose |
| What would cause the biggest change on the amount of water available to people who use groundwater? | long periods without rainfall |
| What kind of energy is stored in food? | chemical |
| What is one possible explanation relating a variety of species within an ecosystem to the overall balance of the ecosystem? | Each species fulfills a particular niche in the ecosystem. |
| What is the formula for work? | Work = Force X Distance |
| Two identical boxes are moved. One is lifted straight up 1 meter and requires 180 N force and the other is moved up a 3 meter ramp with 60 N force. How much work was done on each box? | It required the same amount of work to move each box. (180J) |
| What function is performed primarily by the digestive system? | breakdown of large molecules into smaller ones |
| What kind of change results from the breakdown of starch into glucose by saliva? | chemical |
| A river starts at a natural spring. What is the relationship between the spring and the river? | The water from the spring is ground water that joins the surface water of the river. |
| Why are spines an important adaptation for plants in a desert? | They reduce the amount of water lost by the plant. |
| What is the function of the large intestine? | absorption of water |
| Which of these organs is part of the excretory system? liver, small intestine, kidney, stomach | kidney |
| Which of these is NOT a part of the respiratory system? diaphragm, heart, lungs, trachea | heart |
| Which of the following is NOT a part of the integumentary system? hair, nails, skin, trachea | trachea |
| Pouring oil onto the ground will hurt the environment because the oil... | goes deep into the ground and pollutes the groundwater. |
| One of the functions of the skeletal system in the body is to ... | provide a strong framework for the body. |
| A person with cystic fibrosis (CF) often experience frequent lung infections, poor energy level, and a low appetite. It is mainly a disorder of what two systems? | digestive and respiratory |
| What structures protect organs and provide support? | bones |
| What internal structure have birds developed that helps them fulfill their niche? | hollow bones to reduce mass for flight |
| Some crickets can't chirp and therefore cannot find a mate and reproduce. This is an example of | natural selection |
| What is an example resulting in diverse offspring? | Bees bringing pollen from the flower of one plant to the flower of another. |
| A dog breeder trains dogs to perform tricks and obey commands. Which characteristic would the breeder look for when selecting parent dogs to breed? | obedience |
| What would most likely happen during exercise if a person's sweat glands were NOT functioning? | The body would become overheated. |
| Why is the presence of a brightly colored, detachable tail an advantage for some lizards? | Predators are more likely to grab them by the tail. |
| Which statement best describes the function of the large ears of an elephant? | The ears help the elephant cool itself on a hot day. |
| Which characteristic was used to classify insects on the given dichotomous key? | Shape of wings |
| What adaptation is best suited for an animal in a cold environment? | two layers of fur |
| What are some plant descriptions most likely found in the rainforest? | leaves with drip tips, climbing vines, smooth bark, dense canopy |
| Why does a person vomit in response to eating spoiled food? | To try to rid the body of the harmful substances in the spoiled food. |
| How does an alligator try to warm up his body? | By lying on a river bank in the sun |
| A stomach cell divides. How do the two resulting cells compare? | Both cells contain exactly the same genetic information. |
| The cell organelle responsible for providing energy for cell processes in plant and animal cells is the ... | mitochondrion |
| Which structures differentiate plant cells from animal cells? | cell wall, chloroplast, large vacuole |
| What is the correct order for the levels of organization of plants and animals? | cell, tissue, organ, organ system, organism |
| The stomach is a part of which larger system? | digestive system |
| Which systems work together to make the human body move? | muscular and skeletal systems |
| What is the best way to heat a test tube over an open flame? | Using tongs and tilting the test tube away from people. |
| Two pea plants with green pods produce offspring with green pods. One explanation is that green pods are dominant. What is another possible explanation? | The the two original plants were pure recessive. |
| The safety symbol showing a chemical being poured on a hand indicates ... | the chemical can cause injury to body tissue. |
| The cell membrane in a plant cell performs the same function as what organelle in an animal cell? | cell membrane |
Created by:
ssdunham
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