Why is altruism always seen in eusocial animals

Altruism in animals describes a range of behaviors performed by animals that may be to their own disadvantage but which benefit others. So by behaving altruistically, an organism reduces the number of offspring it is likely to produce itself, but boosts the likelihood that other organisms are to produce offspring.

Explanation:

the scientific method.

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.