Any animal is divided into two modes of memory: short-term memory and long-term memory, where short-term memory is something that is stored in the animal's brain for only a few seconds, usually such things are arbitrary events for the animal.
Scientists have applied genetic analysis tools to study insectivorous plants. The study depicted the dynamics of calcium molecules in the leaves of carnivorous plants when insect prey landed on the leaves and were captured by sticky secretions.
The primitive food chain is mutually exclusive, so that different species can continue to survive in nature, piranhas have a nemesis even if they are fierce.