Answer:
Acorns
Explanation:
The first trophic level consists of producers or plants. The only plant on the list is acorns.
Scientists use classification to help them decide. Classification is a way to organise living things. They are put in groups with similar features. An example is A finch looks quite different to a peacock, but they both have beaks, wings, and feathers.
Answer:
The process is called external respiration
Chlorophyll is a large molecule composed of hydrogen, carbon, oxygen, and magnesium coordinated with four central nitrogen atoms.