Abiotic: which are the non-living factors and chemicals in environments which can affect the ecosystem.
Fruits with tiny hooks are most likely to be spread by animal hair.
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Nerve cells may begin to pass messages more slowly than in the past. Waste products can collect in the brain tissue as nerve cells break down. This can cause abnormal changes in the brain called plaques and tangles to form.
Breakdown of nerves can affect your senses. You might have reduced or lost reflexes or sensation. This leads to problems with movement and safety
If the organism has a cell wall it is a plant
