colors
getting eaten
No. If they are necessary for survival, then they are needs.
Anything people consume beyond what is necessary for survival? The answer is [Want]
No. If they are necessary for survival, then they are needs.
Imperialists believed that colonies were necessary for their health and survival.
Out of the 100 elements in existence, only water and oxygen are necessary for survival.
Peacocks have multiple collective nouns; a muster of peacocks, a pride of peacocks, and an ostentation of peacocks.
Oxygen
yes
Peacocks possess several survival skills, including their ability to camouflage with their vibrant plumage when among foliage, which helps them evade predators. They are also highly alert and have excellent eyesight, allowing them to detect threats quickly. Additionally, peacocks can fly short distances to escape danger and often rely on their strong social structure, using alarm calls to warn other members of their flock. Their loud calls can also help deter potential predators.
Collective nouns for peacocks are a muster or peacocks or an ostentation of peacocks.
It is necessary for species survival as a whole. Although reproduction generates an individual, the individual's own reproductive system is not necessary for its survival; although loss or damage to the organs may have deleterious effects beyond loss of breeding ability.