Populations & Energy Flow Crossword Puzzle

QUESTIONS LIST:

• densitydependent:factors such as food, water and shelter that can affect a population based on the size of
• the population
• density:the population _ is the number of individuals in a given area
• carryingcapacity:the largest population which can be supported long-term
• logistic:a population model in which exponential growth is limited by its carrying capacity
• population:members of one species grouped in one place at one time
• growthrate:change in population's number divided by change in time
• indpendent: density _ factors, such as weather and climate, affect population regardless of size
• exponential:steady growth that when graphed represents a j-shaped curve
• decomposers:these organisms, like mushrooms, cause decay by breaking down materials into raw elements.
• trophic: an assigned level found in a food chain energy pyramid
• autotrophs:organisms capable of producing their own food using the sunlight
• ten:only _ percent of energy is passed on from one organism to another throughout the trophic levels
• abiotic:physical factors that can affect the ecosystem (i.e, weather and climate)
• species: individuals that can breed with one another
• population:species that live together in the same place at the same time
• heterotrophs: organisms that rely on other organisms in order to obtain their energy
• biotic:living factors found within an ecosystem