Luna 7th Grade Biomes and Biodiversity – Flashcards

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Climate is affected by
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Rainfall, Wind, and Temperature
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Climate is not affected by
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Soil type
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Biomes are determined by
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Temperature and rainfall, type of soil and growing season, and latitude and altitude
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Biomes are not determined by
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The number of rivers and streams
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The largest land animals like elephants are found in
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Grasslands
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Deciduous trees lose their leaves in order to save
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water
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Deciduous trees do not lose their leaves in order to save
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Nutrients, heat or soil
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The biome that would most likely have animals that migrate and hibernate
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Tundra
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A coniferous tree produces seeds in cones and has small leaves shaped like needles to protect from-
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Water loss or dehydration
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Which of the following biomes receives the most yearly rainfall to support the largest variety of organisms?
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Rainforest
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Which biome has a very short growing season and as little precipitation as a desert?
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Tundra
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Plants found in which biome would need large vacuoles for water storage?
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Desert
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Which of the following adaptations would be LEAST useful for plants living in a tropical rainforest?
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Having waxy leaves to prevent water loss
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Which of the following adaptations would be MOST useful for plants living in a tropical rainforest?
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The ability to grow fast, having broad or wide leaves to catch limited sunlight, and the ability to climb (like a vine)
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An adaptation best suited for the desert biome would be _____.
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Shallow, wide roots
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An animal with tan fur, long eyelashes, claws and long limbs is most likely adapted to live in which biome?
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Desert
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An animal with thick fur, wide feet, layer of fat, and small ears is most likely adapted to live in which biome?
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Tundra
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Biodiversity important to the sustainability of an ecosystem for all of the following reasons except-
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More water availability
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Biodiversity important to the sustainability of an ecosystem for all of the following reasons
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More gene variety, more available food sources
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Which of the following is not a threat to biodiversity?
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Conservation and preservation
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Which of the following is a threat to biodiversity?
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Pollution and contamination, overhunting and overfishing, habitat loss and destruction
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biome
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A group of ecosystems with similar climates and organisms; may be land or aquatic.
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climate
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Average condition of temperature, rainfall, wind and clouds in an area over time.
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coniferous trees
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Trees with needle-like leaves and cones for seed dispersal.
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deciduous trees
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Trees that shed their leaves at least once a year.
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hibernation
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A state of greatly reduced body activity that occurs during the winter.
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marine
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Saltwater ecosystem.
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migration
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An animal leaving one place to another to find warmer weather, food or for reproducing.
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niche
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An organism's particular role in an ecosystem.
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perennials
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Plants that do not die after one year but are able to survive the winter.
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succulent plants
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Water retaining plants adapted to arid climate or soil conditions.
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biome
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A group of ecosystems with similar climates and organisms; may be land or aquatic.
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Camel
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long double set of eyelashes, ability to close nostrils
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Water lilies
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Broad flat leaves and air spaces to help it float
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Polar bear
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Double layered fur, wide paws
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Giraffe
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Long tongue and thick lips to protect from spines on trees
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Perennials
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Small leaves and growth close to the ground to retain heat
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Monkeys
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Long arms and legs and flexible hips and should for swinging from branches
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Giant kelp
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Air bladders to help it float and reach sunlight though deeper water
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Black bears
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Curved claws to dig for food, a long tongue to reach insects in trees, hibernate in the winter
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Succulent plants
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Large vacuoles to store water, waxy leaves with small stomata to limit water loss from leaves, sharp spines to keep animals away and shallow roots to absorb lots of water
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Beavers
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Teeth that never stop growing, waterproof fur
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Grasses
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Thin blades to help save space and protect from cold winters, thick roots to survive dry summer months, small seeds that are easily spread
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Sea turtles
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Thinner shell for swimming, long flippers for swimming and digging holes to lay eggs
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Maple tree
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Deciduous-leaves fall in the autumn or fall to help prevent water loss during the cold winter. Broad leaves for absorbing more sunlight in the forest
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Coniferous tree
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Have needles for leaves that help it continue photosynthesis during the long winter and limit water loss because the needles are very narrow.
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