Answer:
For number 3:
The bacterial cell is a prokaryotic cell and the fungal cell is a eukaryotic cell.
Explanation:
I cannot see the cells to answer number 4, but for number three, bacteria is a prokaryote and fungal cells are eukaryotes. You can most likely determine this by the presence of a nucleus (a prokaryote cell will not have one where a eukaryotic cell will).
Answer:
D) Sea otters are a keystone species as they prevent a herbivorous species from completely destroying a plant species.
Explanation:
Enzyme speed up chemical reaction by lowering activation rates
Answer:
The answer to your question is letter B. Photosynthesis
Explanation:
Photosynthesis is a chemical process by which plants and other microorganisms use energy from the sun to produce glucose, water and carbon dioxide. After that, glucose is converted into Pyruvate which goes into Glycolysis and the Krebs cycle.
This description mentions that from simple molecules organisms can to form more complex structures.