1) Brackish a) Is water that contains almost no salt. b) water environments have a mixture of fresh and salt water. An environment where the river meets the ocean. 2) Ocean a) a large body of salt water. b) a small body of salt water. 3) algae a) plantlike living things which mostly live in the ocean b) animallike living things which mostly live in the ocean 4) Air bladders a) An adaptation that algae in the ocean have to help it sink b) An adaptation that algae in the ocean have to help it float to the surface to get more sunlight. 5) Wetlands a) wetlands where grasses and reeds grow but there are no trees. b) environments where water covers the soil for most of the year. 6) Marsh a) wetlands where grasses and reeds grow but there are no trees b) wetlands with trees and shrubs. 7) Swamps a) wetlands with trees and shrubs. b) wetlands that are filled with moss and rich soil 8) bog a) wetlands where grasses and reeds grow but there are no trees. b) freshwater wetlands that are filled with moss and rich soil 9) amphibians a) animals that spend part of the time in water and part of the time on land. b) animals that spend part of the time in water 10) Arctic Tundra a) the cold biome above the Arctic Circle b) The warm biome close to the Equator 11) Permafrost a) soil that is always frozen b) soil that that is filled with moss and rich soil 12) blubber a) the thick coats of fat that help animals stay warm b) the thin coats of fat that help animals stay warm 13) migrate a) means to stay at one place b) means to move to another place 14) desert a) a biome that has a dry climate b) the cold biome above the Arctic Circle 15) nocturnal a) animals that spend part of the time in water and part of the time on land. b) means animals sleep during the day. 16) Camouflage a) an adaptation for living things that help them blend in their environment. b) the thick coats of fat that help animals stay warm 17) temperature a) measures how hot or how cold something is. b) wetlands with trees and shrubs. 18) Jackrabbit a) a cat found in deserts. b) a hare (kind of rabbit) found in deserts. 19) cactus a) plantlike living things which mostly live in the ocean b) a plant in the desert that has a thick, fleshy stem and many spines. 20) environment a) An environment is everything that surrounds a living thing. b) an area of land or water that has certain kinds of living things and non-living things. 21) biome a) the weather of a place over a long period of time b) an area of land or water that has certain kinds of living things and non-living things. 22) climate a) An environment is everything that surrounds a living thing. b) the weather of a place over a long period of time 23) soil a) A mixture of broken down rocks, plant, and animal material b) the weather of a place over a long period of time 24) humus a) broken down animal and plant material. b) An environment is everything that surrounds a living thing. 25) structure a) a part of a living thing b) a substance that covers the ground. 26) Adaptation a) a special structure or behavior that helps a living thing survive. b) a part of a living thing 27) deciduous a) trees lose their leaves in fall (autumn) as it gets cooler b) trees are often called evergreens 28) coniferous a) trees lose their leaves in fall (autumn) as it gets cooler b) trees make cones instead of flowers. trees are often called evergreens 29) mimicry a) when one living thing copies another living thing in color shape b) means to go into a deep sleep that lasts through the winter. 30) hibernate a) means animals sleep during the day. b) means to go into a deep sleep that lasts through the winter. 31) emergent layer a) The top layer of the rainforest b) Is the thickest layer of the rainforest 32) canopy a) Is the thickest layer of the rainforest that has the most plants and animals. b) Has very small trees or young plants 33) understory a) The top layer of the rainforest b) Has very small trees or young plants and bushes that are still growing. 34) Forest floor a) Darkest, humid layer of the forest that has many small plants, insects and big animals. b) Is the thickest layer of the rainforest that has the most plants and animals. 35) conserve a) To protect and save the environment b) To destroy the environment 36) buttresses a) Are large root structures that keep the tree from falling over b) broken down animal and plant material. 37) temperate a) means the environment has a mild climate and four seasons b) means the environment has a hot climate and 2 seasons 38) tropical a) means the environment is near the equator (the line in the middle of the earth) and is warm all year round. b) means the environment has a mild climate and four seasons 39) savanna a) are tropical grasslands found in Africa. b) means the environment is near the equator (the line in the middle of the earth) and is warm all year round. 40) burrows a) is a hole or tunnel dug by a small animal as a shelter b) Are large root structures that keep the tree from falling over 41) sponges a) is a hole or tunnel dug by a small animal as a shelter b) is something that is soft and has many tiny holes which allows it to soak up liquids like water from the surface. 42) herds a) trees lose their leaves in fall (autumn) as it gets cooler b) is a large group of animals that live, feed, or migrate (move from one place to another place) together. 43) survive a) is a hole or tunnel dug by a small animal as a shelter b) means to continue to live or exist, especially if someone is in danger (not safe). 44) prairie a) another name for the temperate grassland of  b) are tropical grasslands found in Africa.

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