Hydroponic farming refers to cultivating plants without soil. Terrestrial plants can grow with their roots solely in a mineral solution, or the roots may be supported by an inert medium such as perlite or gravel. The farmer’s plants might have been failing at the same rate since some plants require soil, or perhaps the roots were simply too long.
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Selective pressure refers to factors that influence an organism's behavioral changes. These pressures can arise from living (biotic) or non-living (abiotic) elements.
Such pressures may cause the organism to modify their behaviors, shift habitats, experience population decline, or even undergo mutations. These adaptations may affect other species in the same area positively or negatively.
Possible consequences of selective pressure include:
- Flock X might begin consuming different food sources.
- Flock X may relocate to find fruit.
- Flock X could gradually reduce in population.
- Flock X might attempt mutation.
