Answer:
Development.
Explanation:
Development includes the process of developing of all the characters of the living organisms. Development of an organisms depends on the internal as well as external factors.
The individuals can show physical development, mental development, social development and developments in terms of understanding, emotions and behavior of the individual depending on the different factors. The individual with several abnormality is unable to show proper development.
Thus, the answer is development.
The answer is d. pheromones.
When a top predator is removed from an ecosystem, a series knock-on effects are felt throughout all the levels in a food web, as each level is regulated by the one above it. This is known as a trophic cascade. The results of these trophic cascades can lead to an ecosystem being completely transformed. The impacts trickle down through each level, upsetting the ecological balance by altering numbers of different animal species, until the effects are finally felt by the vegetation.
