In a balanced ecosystem, the number is far greater than the number .
first blank: (producers, tertiary consumers, herbivores)
second blank: (consumers, omnivores, secondary consumers)

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

Describe the function of the endomembrane system? what organelles are involved?