Answer:
E. Chromatium, Thiospirillum, Thidictyon
Explanation:
- There are some bacteria which are capable of conducting photosynthesis without producing oxygen in the process and bacteriochlorophyll is the main structural unit of the photosynthetic component of such bacteria.
- Purple a green sulfur bacteria are the ones that contain bacteriochlorophyll.
- bacteriochlorophyll's function is the same as that of chlorophyll in plants.
- <em>Chromatium, Thiospirillum, Thidictyon </em>are the bacteria that contain bacteriochlorophyll.
The answer would be, "C".
Answer:
The phrase trophic level means<u>, level on food chain.</u>
Explanation:
- A trophic level refers to the Organism's position in the food chain.
- It is simply a feeding level in the food chain.
- In a food chain, Primary producers form the first trophic level, followed by primary consumers (herbivores), then secondary consumer (carnivore) and so on.
- The number of trophic level varies in different ecosystem.
- Usually, an aquatic ecosystem has more trophic levels than a terrestrial ecosystem