The correct answer is option C, that is, they are all consumers.
Consumers feed on producers or other consumers in order to thrive in the environment. For example, deer are herbivores that signifies that they consume only plants, that is, producers. Another example of consumers are black beers, which are scavengers and omnivores, that is, they will consume or eat anything.
Endocrine Gland is the right answer.
Answer:
A scientist might also want to know if there is water, a sustainable atmosphere, or the temperature on the planet. If any of these features are different, then life may not be sustainable.
There is no possible explanation as this is practically definition.
