Social Studies
PLZ HELP, I'LL GIVE EXTRA POINTS1. Which of the following can reduce biodiversity within a natural environment?A.Giant kangaroo rats enrich the soil for plants with their piles of grass clippings in the California grasslands.B.Grasslands in the California Floristic Province have been converted into housing projects, shopping centers, and roads.C.Acacia trees of Central and South America provide food for stinging ants, while the stinging ants sting other insects on the trees.D.In Japan, hummingbird hawkmoths drink nectar from a species of flowering plants and transfer the plants' pollen to other flowering plants of the same species. 2. ExitWhich was the MOST likely consequence of introducing the Japanese kudzu into the eastern United States?A.Kudzu now depends on the native shrubs for survival.B.The native mature trees now depend on kudzu for sunlight.C.The native mature trees kill kudzu by choking the vines and uprooting them.D.Kudzu kills native shrubs by smothering them under a solid blanket of leaves.3. The acacia tree species and the stinging ant species of Central and South America depend on one another for survival in many ways.Which is the MOST likely consequence if the number of stinging ants in Central and South America decreased for some reason?A.The number of acacia trees would increase.B.The number of acacia trees would decrease.C.The number of acacia trees would stay the same.4. Which of the following can reduce biodiversity within a natural environment?A.Yucca moths pollinate and feed on yucca plants in the Mojave Desert.B.Red-billed oxpeckers eat ticks off of impalas' coats in the grasslands of East Africa.C.Non-native American bullfrogs out-compete native amphibians in the Tropical Andes.D.Giant kangaroo rats enrich the soil for plants with their piles of grass clippings in the California grasslands.5. Which of the following describes how different species depend on one another in a natural environment?A.Non-native kudzu out-compete native plants in the eastern United States.B.Giant African snails imported as pets damage native plants and crops in Hawaii.C.Grasslands in the California Floristic Province have been converted into housing projects, shopping centers, and roads.D.Acacia trees of Central and South America provide shelter for stinging ants, while the stinging ants snip surrounding plants that grow too close.6. Which of the following describes how different species depend on one another in a natural environment?A.Non-native kudzu out-compete native plants in the eastern United States.B.Giant African snails imported as pets damage native plants and crops in Hawaii.C.Australian light brown apple moths damage crops and native plants in California.D.Giant kangaroo rats enrich the soil for plants with their piles of grass clippings in the California grasslands.7. Why is the destruction of a natural environment a risk to the survival of humans?A.Humans depend on many species for food.B.Humans depend on many species for technology.C.Humans depend on natural environments for landfill space.D.Humans depend on natural environments for scrap-metal yard space.8. Which is a major threat to biodiversity?A.Red-billed oxpeckers eat ticks off of impalas' coats in the grasslands of East Africa.B.Mining in the Guinean Forests of West Africa to provide diamond and gold jewelry for humans.C.Acacia trees of Central and South America provide food for stinging ants, while the stinging ants snip surrounding plants that grow too close.D.In Japan, hummingbird hawkmoths drink nectar from a species of flowering plants and transfer the plants' pollen to other flowering plants of the same species. 9. Which describes a natural environment with the greatest biodiversity?A.10 red squirrels, 20 bristlecone pine treesB.55 bristlecone pine trees, 30 snowshoe rabbitsC.25 snowshoe rabbits, 100 bristlecone pine trees, 5 red squirrelsD.10 red squirrels, 45 snowshoe rabbits, 100 bristlecone pine trees10. The acacia tree species and the stinging ant species of Central and South America depend on one another for survival in many ways.Which is the MOST likely consequence if the number of acacia trees in Central and South America decreased for some reason?A.The number of stinging ants would increase.B.The number of stinging ants would decrease.C.The number of stinging ants would stay the same.
