Grade 8 Natural Science - Interactions and Interdependence within the Environment
Explore the fascinating world of ecosystems, relationships, and balance with our comprehensive notes on Interactions and Interdependence within the Environment. Dive into the dynamic web of biotic and abiotic fact...
1. Introduction:
The environment is a complex system where living organisms (biotic factors) and
non-living components (abiotic factors) interact in intricate ways. These
interactions and interdependencies shape ecosystems, influence species
distribution, and contribute to the overall health of the planet.
2. Biotic Interactions:
Within ecosystems, organisms interact with each other in a multitude of ways.
These interactions are essential for survival, reproduction, and maintaining
ecological balance. Some common biotic interactions include:
- Predator-Prey Relationships Predators hunt and consume other organisms for
food, while prey species adapt strategies to avoid being caught.
-CompetitionSpecies compete for resources like food, water, and shelter, which
drives adaptations for niche differentiation.
- Mutualism: Some species cooperate for mutual benefit, such as pollinators aiding
plants in reproduction.
-Commensalism:One species benefits from the interaction while the other remains
unaffected.
- Parasitism: Parasites derive nourishment from a host organism, often causing
harm to the host.
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