<span>The most obvious change due to seasonal variation is the change from summer to winter. Some animals migrate to other parts of the world, such as migratory birds. Many animals in colder climates hibernate. In both cases, the absence of these animals leads to a gap in the ecosystem. In regions with highly seasonal rainfall, the low rainfall season can lead to low flows in rivers, and a reduction of certain habitats for some aquatic organisms, such as beaver or aquatic insects.</span>
Similarities:
Both move from a region of high concentration to a region of low concentration through a partially permeable membrane.
Differences:
Facilitated diffusion is for any small particles which can pass through a partially permeable membrane while osmosis is only for water molecules.
An atom consists of an atomic nucleus composed of positively charged protons and neutral or uncharged neutrons.
You need organisms like some are in plants and without Plants how will the animals eat
