I believe that phytoplankton is necessary to begin a food web
Answer:
<h2>A trophic pyramid shows where most of the energy in an ecosystem can be found. Each level is called a trophic level and as you move up trophic levels 90% of the energy is lost</h2>
Explanation:
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Type of neuron that receives messages from the environment is a sensory neuron ie it receives messages from the 5 senses which are used by man to investigate the environment.
Answer:
2. Depth 3. Number of bubbles
Explanation:
2. Depth
3. Number of bubbles