1) A wide variety of species in an area is called a) biomagnification b) degredation c) population d) biodiversity 2) One factor that biodiversity depends on is a) climate b) trees c) agriculture d) invasive species 3) Biodiversity is valuable to the biosphere because a) it provides organisms with poor air quality b) it provides goods and services c) gives us pretty things to look at d) tells us why there are so many species 4) Which of the following is not a THREAT to biodiversity? a) composting b) population c) fragmentation d) climate change e) pollution f) hunting 5) Land is cleared for farming, leaving only small strips of land for organisms to live... a) overgrazing b) biological magnification c) fragmentation d) invasive species 6) Organisms that are naturally occurring in an area are called a) invasive species b) endangered species c) extinct species d) native species 7) The increase in the accumulation of toxins in organisms that eat each other in a food chain is called... a) fragmentation b) biomagnification c) climate change d) demand e) rewilding f) conservation 8) A renewable resource a) trees b) coal c) oil d) minerals 9) An essential, highly biodiverse area that is in danger from human activity is called a a) biosphere b) hot spot c) climate change d) pollution 10) A benefit of biodiversity include... a) climate change b) endangerment c) extinction d) medicines 11) This organism, if it disappeared, would cause drastic changes to the ecosystem where it lives. a) endangered species b) extinct species c) keystone species d) re-wilded species 12) An organism introduced to an ecosystem that is not native to the area and causes problems is called a/an a) keystone species b) native species c) endangered species d) invasive species 13) Which of the following is a heterotroph? a) cactus b) spider c) algae d) moss e) tree f) pond weed 14) Which of the following is an example of species that are fast growing and begin to renew an area? a) invasive species b) native species c) pioneer species d) secondary species 15) A lifeless area that begins to grow weeds, lichens, and other small plants is in what stage? a) secondary succession b) late stage growth c) tertiary succession d) primary sucession 16) A state of equilibrium where animals and plants are interacting with one another again is referred to as a a) lifeless community b) climax community c) primary community d) biome community 17) Ecological succession is a) a process in which carbohydrates and lipids create proteins for organisms. b) process in which animals become extinct c) process by which the mix of species and habitat in an area changes over time. d) process in which animals hunt for food and resources 18) Which of the following might lead to primary succession? a) volcanic eruption b) biomagnification c) hard rainfall d) forest fire

Biodiversity and Human Impact

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