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Light affects the abundance and distribution of living organisms through its affect on primary producers. Plants depend on light. The more plant life is available, the more animal life the biome can support.
Humans only NO, Mullticellular Organisms
Probably natural selection. The environment is the selector of organisms.
Water
Energy source - most ecosystems powered by sunlightwhich provides energy for photosynthesis and primaryproductionTemperature - affects metabolism, few organisms canfunction below 0ºC, enzymes of most organisms aredestroyed above 45ºCWater - is essential to all life. Terrestrial organisms needto prevent drying out and aquatic organisms need tobalance their solute concentrationInorganic Nutrients - The distribution of photosyntheticorganisms (plants, algae, bacteria) is usually limited byavailability of nitrogen and phosphorus.Aquatic organisms are more affected by factors likesalinity, dissolved oxygen, currents and tides.Terrestrial organisms are more affected by winds, storms, fire etc.
The range of tolerance
The topography of the land affects where people choose to live. People will not live in areas where they land makes it difficult to survive.
Light affects the abundance and distribution of living organisms through its affect on primary producers. Plants depend on light. The more plant life is available, the more animal life the biome can support.
Water pollution is the contamination of bodies of water. Water pollution affects plants and organisms living in these bodies of water.
The availability of water is the critical factor.
One reason for cluster distribution in organisms is the need for resources. Cluster distribution allows organisms to maximize their access to resources such as food, water, or nesting sites. By living in close proximity to one another, organisms can benefit from shared resources and protection from predators. In addition, cluster distribution can facilitate social interactions and cooperative behaviors, enhancing the survival and reproductive success of individuals within the cluster.
Climate is important because of its affects on organisms and where they live. Climate is also important because you need water and sunlight to grow plants.
balls
Cholera is caused by the bacterium Vibrio cholerae.
Ecology, or ecological science, is the scientific study of the distribution and abundance of living organisms and how the distribution and abundance are affected by interactions between the organisms and their environment.
I need the answer just as much as you do but if i were to guess i'd say it would have something to do with the feeding of the organisms.
Beavers building dams.