How many trophic levels can an ecosystem support? explain why

All food chains and webs have at least two or three trophic levels. Generally, there are a maximum of four trophic levels. Many consumers feed at more than one trophic level. Humans, for example, are primary consumers when they eat plants such as vegetables.

These are the steps in order

The DNA double helix unzips

Complementary RNA nucleotide are paired with one strand of DNA

The 2 strands are rejoined

The completed RNA molecule detaches from the DNA

Explanation: