Answer:
<em>X: Producers undergo photosynthesis.
</em>
<em>Y: Decomposers return carbon to the soil and release
</em>
<em>waste.</em>
Explanation:
The label X shows producers which will undergo photosynthesis. Photosynthesis can be described as a process by which plants make their own food by converting water and carbon dioxide into glucose and oxygen. Light energy is required for this process to occur.
The label Y shows decomposers. Decomposers feed on dead and decaying material and release carbon into the environment. The decomposers feed on dead plants and animals and release
The scientific method is an organized plan for gathering, organizing, and communicating information. <span />
Answer and Explanation:
Darwin observed that members of a species in a population especially those that reproduce sexually show certain variations. Some of these variations are caused by genes hence can be inherited. Some of the inherited characteristics make the individuals possessing them better suited to the prevailing environmental conditions. This enables such individuals to stand a better chance to survive in the struggle for existence. Accumulation of this gradual changes in a populations due to natural selection leads to formation of new species that are better suited to the environment.