Any substance that occupies space and has mass is matter.
Producers <span>have the ability to make their own food using an energy source, like the sun. An example of this would be a plant.
</span>Consumers<span> are broken into two groups: primary and secondary.
</span>Primary consumers<span> are the herbivores that eat the producers.
</span>Secondary consumers<span> are the carnivores that eat the primary consumers.
Deer are herbivores and wolves are carnivores; they are both consumers.
</span>So the main difference between producers and consumer are that producers make their own food and consumers can't. They eat producers and other consumers.
It is Nucleic Acids, they consist of long chains of units like the proteins, but still both are different.
Cells use Lipids when Carbohydrates are not available. <span />