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The earth rotates on an imaginary line called a(n)- The earth travels around the sun on an imaginary line called a(n)- a. b. c. d. a. b. c. d. equator prime meridian axis orbit equator prime meridian axis orbit Sun Earth What does the moon do on its orbit? a. b. c. d. spin orbit stay still revolve What has to happen in order for a solar eclipse to occur? a. The moon has to line up behind the sun and the earth. b. The moon has to line up between the earth and the sun. c. There has to be a full moon. d. It has to be night time on Earth. How often do tides change? a. b. c. d. once a week twice a day three times a month four times a year What is the below picture showing you? moon Earth Sun a. b. c. d. lunar eclipse new moon solar eclipse first quarter moon The earth takes ________ to make a full revolution around the sun. a. b. c. d. one one one one day week month year The moon takes ________ to make a full rotation on its axis. a. b. c. d. one one one one day week month year The earth takes ________ to make a full rotation on its axis. a. b. c. d. one one one one day week month year If the Northern Hemisphere of Earth is tilted toward the sun, what season is it experiencing? a. b. c. d. summer fall winter spring Sun Earth Earth and the moon revolve ona. b. c. d. equators axes prime meridians orbits What is happening in the below picture? Earth a. b. c. d. moon solar eclipse lunar eclipse 1st quarter moon 3rd quarter moon Sun A lunar eclipse can happen if there’s aa. b. c. d. new moon 1st quarter moon full moon last quarter moon All of the following landforms are found on the moon, EXCEPTa. b. c. d. mountains rivers craters volcanoes There are many differences between the earth and moon. In which way are the earth and moon MOST similar? a. b. c. d. thickness of the atmosphere gravitational pull number of craters overall shape The sun, moon, and Earth alla. b. c. d. revolve orbit rotate produce light moon Earth Sun In which of these processes does the sun play the least direct role? Which two planets are farthest from the sun? a. b. c. d. a. b. c. d. weathering wind evaporation plant growth Uranus and Neptune Neptune and Saturn Saturn and Jupiter Uranus and Mercury Why are sunspots darker than the rest of the sun? a. They are partially hidden from view. b. They are in the shadow of the sun’s corona. c. They are cooler than the rest of the sun’s surface. d. They are made of dark-colored minerals. What substance is being transported from the roots to the rest of the plant? a. b. c. d. glucose water oxygen carbon dioxide Along with water, what substance is released from the stomata? a. b. c. d. glucose water oxygen carbon dioxide Roots have three main jobs. They area. making food, holding the flower up, and keeping a tree from falling over b. preventing erosion, providing a place for gas exchange, and carrying food up the stem c. anchoring the soil, storing food, and taking in minerals and water d. holding the flower up, preventing erosion, and anchoring the soil What substance enters the leaf through the stomata? a. b. c. d. glucose water oxygen carbon dioxide What substance is transported from the leaf back to the roots? a. b. c. d. glucose water oxygen carbon dioxide Dandelions are flowers that are hard to kill. This is becausea. b. c. d. they have long taproots they have few seeds they are flowers their seeds scatter easily Prop rootsa. b. c. d. make the stem straight keep the plant from falling over reach water deep in the ground help make food Xylem and phloem are found only in- Which of the following is NOT a reason why plants store food? a. b. c. d. a. Plants may not get enough water to make food during dry periods. b. Most plants cannot make food during the winter. c. Some plants store food to survive brief temperature changes. d. Plants must store some food to survive in a flood. vascular plants woody plants nonvascular plants leaves of large trees Unprotected seeds are seeds ofa. b. c. d. gymnosperms nonvascular plants vascular plants angiosperms Which of the following is NOT a way that a fruit helps the seed inside of it? a. The fruit protects the seed from cold weather. b. The fruit keeps the seed from being eaten. c. The fruit provides extra nutrition for the new plant. d. The fruit helps the seed transfer pollen. Which of the following do plants use during photosynthesis? a. b. c. d. carbon dioxide and sunlight glucose and sunlight oxygen and chlorophyll water and sugar The main jobs of a stem area. carrying food and water to the plant and holding the plant up b. anchoring the plant and holding it up c. making food for the plant and carrying water to the leaves d. storing and making food The main jobs of the leaves are- Phloem carries- a. serving as a place for gas exchange and making food b. carrying food and water to the plant and holding the plant up c. anchoring the soil, storing food, and taking in minerals and water d. anchoring the plant and holding the plant up a. b. c. d. Xylem carries- The main difference between vascular and nonvascular plants is that vascular plants have ______ and nonvascular plants do not. a. b. c. d. food water oxygen minerals a. b. c. d. food water oxygen minerals food and water stems and leaves xylem and phloem roots and phloem The main differences between angiosperms and gymnosperms are that angiosperms have ______ and gymnosperms do not. a. b. c. d. protected seeds and fruit unprotected seeds and fruit xylem and phloem roots and phloem If people need lumber, they must cut down trees. What can people do to help maintain forests even though trees will be cut down? a. Plant more trees than are cut down. b. Irrigate the forests. c. Protect the animal life of the forest. d. Only cut down one tree a day. Direct development is how a baby developsa. b. c. d. from an egg into an adult version of itself in four stages without wings Leaves on a plant have tiny holes in them calleda. b. c. d. windows pores ovals stomata What might happen in the atmosphere if there were no more plants and trees? a. More sun would reach people and cause them to grow taller. b. Animals would be healthier. c. The temperature of the earth would be cooler. d. There would be less and less oxygen to breathe. Which of the following processes are the below pictures showing you? a. b. c. d. complete metamorphosis incomplete metamorphosis direct development inheritance What are the stages of incomplete metamorphosis? a. b. c. d. egg, egg, egg, egg, larva, pupa, adult pupa, adult larva, nymph, adult nymph, adult All of the following are inherited traits EXCEPTa. b. c. d. eye color hair color height hair length Inherited traits come from youra. b. c. d. sisters and brothers cousins mom and dad aunts and uncles A recessive trait isa. b. c. d. strong common weak both a & b If 18 out of 23 people have brown hair, what kind of trait is that? A human baby cries when it does not feel well. What type of behavior is that? a. b. c. d. a. b. c. d. dominant recessive direct free instinctive normal learned known Grass is a(n) _____ because it makes its own food. a. b. c. d. consumer predator producer herbivore The wolf is a __________ because it has to eat to get energy and it hunts other animals. a. b. c. d. consumer and predator prey and producer producer and herbivore decomposer and consumer A wolf’s home is hisa. b. c. d. population individual habitat community The rabbit is a(n) __________ because it eats plants and is hunted. a. b. c. d. omnivore and scavenger predator and prey producer and consumer herbivore and prey A rabbit is an example of a(n)a. b. c. d. population individual habitat community All of the energy in this food chain comes from the- a. b. c. d. sun grass rabbit wolf All of the living plus the non-living things in an environment make a(n)a. b. c. d. population ecosystem habitat niche Plants depend on animals fora. b. c. d. food carbon dioxide sunlight shelter Animals depend on plants fora. b. c. d. food and light food and O2 O2 and light CO2 and H2O A buzzard would be an example of a ________ because it eats animals that are already dead. a. b. c. d. herbivore producer decomposer scavenger A maggot would be an example of a ________ because it breaks down dead and decaying animals. A _________ is at the bottom of the food chain because it makes its own food. a. b. c. d. a. b. c. d. herbivore producer decomposer scavenger Consumer Herbivore Producer Carnivore What type of animal only eats plants? A ________ shows the order in which animals eat. a. b. c. d. a. b. c. d. consumer herbivore producer carnivore food chain herbivore producer carnivore A _________ breaks down dead and decaying animals. An ecosystem is made up of a community and its- a. b. c. d. a. b. c. d. herbivore omnivore scavenger decomposer Different organisms can share the same resource, such as a tree, because they have differenta. b. c. d. populations communities niches ecosystems population environment niche landforms Animals use camouflage toa. b. c. d. hide from predators to hunt for prey both a & b neither a or b What benefit do decomposers provide for an ecosystem? Organisms at the top of the food chain are predators and- a. They hunt animals. b. The return nutrients to the soil by breaking down dead organisms. c. They make food for the producers. d. The make food for the consumers. a. b. c. d. producers herbivores carnivores first-level consumers What is an organism that eats another organism called? What do the producers in a community do? a. b. c. d. a. b. c. d. consumer plant producer prey Behaviors for building shelters, finding mates, and hunting are usuallya. b. c. d. learned competitive symbiotic instinctive hunt prey eat other organisms decompose organisms make food Coyotes learn some of their behaviors as they move around their environment. Which behavior is most likely learned? a. b. c. d. running drinking water avoiding cacti sleeping Which of the following is NOT a survival instinct for birds? Animals that live in the desert must have special adaptations to- a. b. c. d. a. b. c. d. building nests migrating eating insects learning to talk Which of the following is NOT a natural cause for a population decline? a. b. c. d. drought pesticides floods hurricanes How many organisms are in an extinct population? a. b. c. d. less than 50 more than 50 exactly 50 zero get sunlight conserve water stay warm breathe underwater In today’s world, most population declines are caused bya. b. c. d. human activity disease old age natural diseases As the population of an organism gets smaller, it will be classified in which of the following orders? a. threatened, extinct, endangered b. endangered, threatened, extinct c. threatened, endangered, extinct d. extinct, endangered, threatened 78% of Earth’s atmosphere is made of nitrogen gas. Can plants and animals use the gaseous form of nitrogen? a. b. c. d. yes no maybe sometimes How do usable forms of nitrogen get back into the soil? a. b. c. d. animal wastes decaying plants and animals neither a or b both a & b During the Industrial Revolution, deep coal mines were dug and many trees were cut down. What did this do to the level of carbon dioxide in the air? a. The level of CO2 decreased. b. The level of CO2 increased. c. The CO2 level stayed the same. d. The CO2 level was average. When nitrogen gas is ‘fixed’, it is changed into two different forms of nitrogen. What are they? a. b. c. d. nitrogen and carbon dioxide oxygen and carbon dioxide ammonia and nitrates ammonia and carbon dioxide What will happen to the oxygen level if a farmer cuts down a field of trees so that he can plant a new crop? a. b. c. d. It It It It will will will will increase. decrease. stay the same. be average. What type of water ecosystem mixes fresh and salt water? a. b. c. d. freshwater saltwater brackish water clean water