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Science Test
Relationships in Ecosystems
11 cards·by kiki3803kb
why are all organisms connected to each other
all organisms including human species are part of and depend on the global interconnected
food webs of the ocean and the land.
why is food important for organisms
food provides the fuel and the building material for all organisms
how does energy flow through ecosytems
energy flows through ecosystems in the form of food
how do populations from different trophic levels interact
organisms in a single ecosystem are all part of the same food web
how do different populations from the same trophic level interact
different populations on the same trophic level can compete for food
what is a trophic level
a set of organisms who all have similar nutritional needs
why is the sun important source of energy for all living things
the sun continuously supplies energy into nearly every ecosystem on Earth
what kinds of relationships exist between organisms in a community
relationships in a community can be cooperative or competitive
how do different organisms in a community obtain energy from their environment
photosynthetic organisms such as plants obtain energy directly from the sun
what factors in a habitat can limit population size
population size is affected by changes in the surrounding habitat.
what is a population
a population consists of all of the organisms of a single species living in an area