The document contains information about ecosystems and ecological concepts presented in a nonlinear format. It includes definitions of key terms like producers, consumers, decomposers, food chains, food webs, energy pyramids, limiting factors, carrying capacity, niches, habitats, succession, and biodiversity. Examples are provided to illustrate these concepts, such as different organisms fulfilling producer, consumer, and decomposer roles, and how populations are regulated by biotic and abiotic factors within ecosystems. Questions are interspersed throughout to test understanding of the material.
45. If the sun stopped shining, Earth’s
ecosystems would die from lack of new
Yaaay!
Yaaay
Sun! Yaaay!
energy! ME!
Sun!
Yaaay!
Sun!
Yaaay!
Sun! Yaaay!
Yaaay! Sun!
Sun!
62. There is a limited (finite) amount
of resources in any ecosystem…
Limited amounts of food, limited
amounts of water, limited amounts
of minerals…..
72. Also an increase in the lions= a decrease in
zebras which would cause a decrease in the
lions too!
73. very effective
Diseases have
always been an
effective limiting
factor on human
populations
74. The Bubonic plague killed over half of Europe’s
population. The fictional “Crippen Virus” in “I am
Legend” was over 90% fatal to the human population.
Diseases have
always been an
effective limiting
factor on human
populations
75. Look at the next seven
slides…what are the organisms
doing?
136. Food chain: simple diagrams that show
which organisms are eaten by other
organisms.
Shark
Small fish
eat
eat
large
seaweed
fish
Large
fish eat
Small
fish