Refines motor and intellectual skills for the real thing. It's a bonding activity within social species as well.
Yes, some species of weasels can play dead as a defensive behavior when threatened. This tactic can help them avoid predators by appearing unappealing or unresponsive. However, it is not a common or well-documented behavior across all weasel species. Instead, they often rely on their agility and evasiveness to escape danger.
Well and egg is not a specific species. What kind of egg are you talking about?
Cloning is beneficial when an animal species or other organism species is becoming extinct. By cloning them, there will be more of them now, and enough of them to reproduce and naturally restore the population.
Yes, territorial behavior extends to organisms of different species.
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Consequences
Symbiosis is a close and long-term interaction between two different species. It can be mutualistic (beneficial to both species), commensalistic (beneficial to one species, neutral to the other), or parasitic (beneficial to one species, harmful to the other). Symbiotic relationships can involve various forms of interaction, such as mutualistic co-dependence or one organism living on or inside another organism.
social behavior
Crossing over causes genetic diversity. If there was no genetic diversity in a species, the species would be prone to extinction.
Crossing over causes genetic diversity. If there was no genetic diversity in a species, the species would be prone to extinction.
Crossing over causes genetic diversity. If there was no genetic diversity in a species, the species would be prone to extinction.
Behavior becomes established biologically because it contributes to the survival and successful reproduction of the species which exhibit that behavior.