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Lecture 10

STAT141 Lecture 10: Biology1

Course Code
James Muriithi

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Biomes and ecosystems application in biology
Biomes are defined as large areas in the world that consist of similar animals and plants
and other living organisms. On the other hand, ecosystems refer to the interaction between the
living and the nonliving organisms in a given place. The fact that the organisms in an ecosystem
have the same characteristics does not mean that they play the same role. Each organism has is
role to play and this creates the increased competition for the available resources in the
ecosystem. These roles are referred to as niche. For instance, the niche of a certain tree will be to
grow tall so that it will have enough sunlight for photosynthesis (Bailey, New York :). When two
plants will have the same niche, then, they have to compete for the resources and the available
food. The interaction of the organisms in the ecosystem has lead to the balance of the ecosystem
through different aspects. The food chains are a common balance of the ecosystem where
herbivores will be feeding on plants; carnivores feed on the herbivores and so on. The energy
flow in the ecosystem is also balance since the producers, consumers and decomposers will play
significant role in this. Examples of biomes are tropical rain forest biomes, tundra biomes,
temperate grassland biomes and wetland biomes. On the other hand, the ecosystems exists in
terrestrial ecosystems (found on land) whose examples are tundra, taiga, grasslands, tropical rain
forests and deserts.
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