Ecology: The scientific study of the relationships between organisms and their environment, focusing on how these interactions determine the distribution and abundance of organisms. It involves examining multiple levels, including the biosphere, ecosystems, communities, populations, and individual organisms.
Photosynthesis: The process by which green plants and algae convert sunlight, carbon dioxide, and water into plant tissue and oxygen. It requires chlorophyll, the green pigment that absorbs light, and produces oxygen as a vital by-product necessary for respiration.
Niches: The specific ways in which organisms match environmental conditions and respond to resource distribution and competitors. Niches are shaped by factors such as competition, predation, parasitism, and mutualism.
Ecological Interactions: Relationships between organisms that include mutualism (beneficial to both), commensalism (beneficial to one without affecting the other), competition (struggle for resources), and predation (one species kills another for food).
1. How can understanding nutrient flow principles be practically applied in ecosystem management to promote sustainability?
2. Who formulated the concept of the hierarchical levels of ecology?
3. What percentage of Earth's surface is covered by marine biomes?
Ecology — definition?
Study of organism-environment relationships.
Photosynthesis — role?
Converts sunlight into chemical energy.
Niches — function?
Describe organism roles and resource use.
Ecological Interactions — types?
Mutualism, commensalism, competition, predation.
Nutrient Flow — mechanism?
Cycling of chemicals between biotic and abiotic.
Biosphere — location?
Earth's surface, atmosphere, and hydrosphere.
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