Chapter Six ABiomes@ Study Guide 6.3 AGrassland, Desert, and Tundra Biome@ Objectives: 1) Describe the difference between tropical and temperate grasslands. 2) Describe the climate in a chaparral biome. 3) Describe two desert animals and the adaptations that help them survive. 4) Describe one threat to the tundra biome. Key Terms: savanna, temperate grassland, chaparral, desert, tundra, permafrost 1) In climates that have less ____________________, forest biomes are replaced by ________________________, ________________________, and ________________________ biomes. 2) As less rain falls in these biomes, they change into ____________________ and ____________________ biomes. 3) As precipitation decreases in an area, the _______________________ of the species in the area also decreases. 4) Describe the savanna._________________________________________________________________________ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ 5) What two biomes are savannas found between? _____________________________________________________ ____________________________________________________________________________________________ _ 6) What type of animals are found on the savanna? ____________________________________________________ 7) When does the savanna burn and what does fire provide? _____________________________________________ ____________________________________________________________________________________________ _ 8) What are two adaptations that savanna grasses have and what are their function? __________________________ ____________________________________________________________________________________________ _ 9) Why do some savanna trees lose their leaves during the dry season? _____________________________________ 10) How do savanna plants protect themselves from herbivores? __________________________________________ 11) Why do some savanna animals migrate? __________________________________________________________ 12) How do herbivores lessen competition? __________________________________________________________ ____________________________________________________________________________________________ _ 13) Describe the temperate grassland. ______________________________________________________________ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ 14) What have temperate grasslands been replaced with? ________________________________________________ Why? ________________________________________________________________________________________ 15) Where are prairies, steppes and pampas? _________________________________________________________ ____________________________________________________________________________________________ _ 16) How do the mountains affect rainfall in North American grasslands? ____________________________________ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ 17) What are the functions of the roots in the prairie grasses?____________________________________________ ____________________________________________________________________________________________ 18) Describe how rainfall affects the growth of prairie grasses (fig. 20). ___________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ 19) Why do trees not survive on the grassland? ______________________________________________________ 20) What adaptation do grazing animals have ? ______________________________________________________ ____________________________________________________________________________________________ 21) Why do some prairie animals live in burrows? ____________________________________________________ ____________________________________________________________________________________________ 22) How have farming and overgrazing changed the grasslands? _________________________________________ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ 23) Describe the chaparral. ______________________________________________________________________ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ 24) What is the climate of the chaparral? _____________________________________________________________ ____________________________________________________________________________________________ _ 25) What are some common chaparral plants? ________________________________________________________ ____________________________________________________________________________________________ _ 26) What are three adaptations these plants have for survival? ___________________________________________ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ 27) What is a common adaptation of chaparral animals? ________________________________________________ ____________________________________________________________________________________________ _ 28) What is the greatest threat to the chaparral biome? _________________________________________________ 29) Deserts are the ____________________ places on earth. 30) Describe the desert biome. ___________________________________________________________________ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ 31) How do mountains affect deserts? ______________________________________________________________ ____________________________________________________________________________________________ _ 32) Describe the adaptations that cactus have to survive in the desert? _____________________________________ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ 33) Why do plants roots spread out in the desert? _____________________________________________________ ____________________________________________________________________________________________ _ 34) What are five adaptations animals have to survive desert biomes? ______________________________________ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ 35) Describe the tundra biome. ____________________________________________________________________ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ 36) Define permafrost. __________________________________________________________________________ 37) What happens to the permafrost in the summer? ____________________________________________________ What does this create and attract? __________________________________________________________________ ____________________________________________________________________________________________ _ 38) What plants are found in the tundra? ____________________________________________________________ 39) What are three adaptations that plants growing in the tundra have to survive? ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ 40) Why do birds migrate to the tundra in the summer? _________________________________________________ ____________________________________________________________________________________________ _ 41) Why do caribou migrate through? _______________________________________________________________ 42) Why wolves come to the tundra? _______________________________________________________________ ____________________________________________________________________________________________ _ 43) What adaptations do year round animal residents of the tundra have? ___________________________________ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ 44) What are two reasons why the tundra is so fragile? _________________________________________________ ____________________________________________________________________________________________ _ ____________________________________________________________________________________________ _ 45) How have humans disturbed the tundra biome? ____________________________________________________