Have a control. You have to have something to compare your experimental results or else your results could be random chance.
Answer:
Which is required for both anaerobic respiration and aerobic respiration?
ANSWER IS OXYGEN
If secondary consumers are removed from the ecosystem, an ecological imbalance may be created. Secondary consumers are generally feed on other animals (primary consumers) Thus, on removing secondary consumers from food chain, there will be increase in population of primary consumers as a result all the grass and other vegetation will be eaten by the primary consumers. This will leads to desertification and eventually all the top consumers will also eliminated from the ecosystem.
Answer- A nocturnal pollinator
The comet orchid is most likely pollinated by a nocturnal
pollinator because of the nightly aromatic scent emitted by its nectar. This makes it possible for a nocturnal pollinator to
detect,visit and pollinate it at <span>night. The lack of scent during daylight hours makes it unlikely for a diurnal
pollinator to visit it.</span>