Untitled Flashcards Set

Q1: What is the thin layer of Earth and its atmosphere that supports life?
A1: Biosphere

Q2: What is a region of land where an organism collects food?
A2: Habitat

Q3: What is a group of organisms of the same species in the same area called?
A3: Population

Q4: What term describes all interacting populations in the same area?
A4: Community

Q5: What is a biotic or abiotic factor that restricts organism numbers?
A5: Limiting factor

Q6: What zone lies at the outer ends of the tolerance range in the graph?
A6: Zone of Intolerance

Q7: What zone lies just outside the optimal range in the graph?
A7: Zone of Physiological Stress

Q8: What is the middle range in the graph called?
A8: Optimal Range

Q9: What do the ends of the tolerance range represent?
A9: Lower Limit and Upper Limit

Q10: What is a step in a food chain or web called?
A10: Trophic level

Q11: What is the total mass of living matter?
A11: Biomass

Q12: What are the autotrophs in the food web?
A12: Green Plants

Q13: What are the herbivores in the food web?
A13: Rabbits, Mice, Seed-Eating Birds, and Squirrels

Q14: What are the carnivores in the food web?
A14: Foxes, Hawks, and Owls

Q15: Are there any omnivores in the food web?
A15: No, there aren’t

Q16: What percent of energy is transferred between trophic levels?
A16: Ten percent

Q17: What is released at each level of an energy pyramid?
A17: Most of energy in organisms

Q18: What organisms rid the environment of waste and dead matter?
A18: Detritivores

Q19: What explains the flow of elements between organisms and the environment?
A19: Biogeochemical cycle

Q20: What flows one way in living systems?
A20: Energy

Q21: What recycles in living systems?
A21: Nutrients

Q22: Name the processes in the water cycle.
A22: Evaporation, Percolation, Transpiration, Condensation, Runoff, Sun, Groundwater, Precipitation

Q23: What processes return carbon to the atmosphere?
A23: Combustion, Decay, Diffusion, Photosynthesis, Respiration, Deforestation, Sedimentation

Q24: What increases CO₂ in the modern atmosphere?
A24: Fossil fuels combusting

Q25: What does N₂ do in the soil?
A25: Enters

Q26: What captures and converts nitrogen for plants?
A26: Nitrogen Fixation

Q27: What breaks down nitrogen compounds in soil?
A27: Decomposers

Q28: What is locked into long-term cycles at ocean bottoms?
A28: Carbon

Q29: What process releases phosphorus from rocks?
A29: Weathering