Answer:
- Abiotic factors refer to non-living physical and chemical elements in the ecosystem.
- Abiotic resources are usually obtained from the lithosphere, atmosphere, and hydrosphere.
- Examples of abiotic factors are water, air, soil, sunlight, and minerals.
Water can move through precipitation, evaporation, runoffs, condensation and through groundwater flow.
There are more ways of course, but these were the first ones I remember
When individuals in a population are unevenly spaced throughout their habitat, their dispersion was most likely random dispersion.
Habitat in simple terms is the place where an organisms lives. An organism carries out all its life activities in that area. These activities include eating, living, mating and reproduction. An organism's habitat must contain all the essential resources for it to survive efficiently.
Random dispersion is the type where the organisms are distributed randomly without any fixed pattern. These are a little rare to see in nature. The example of random dispersion is the dispersal of seeds from wind, they can spread in any direction.
To know more about random dispersion, here
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1 is correct. 2 is also correct. 4 is correct as well.
A pair of centrioles make up one centrosome, which a centrosome is considered an organelle. Depending on your course definition of sub-organelle, centrioles may be considered so, however, centrioles are generally regarded as individual organelles.
