<span>All of the events can happen in both plant and animal cells except choice A. Plant cells do not have centrioles.</span>
The other organisms in the food chain are consumers – they all get their energy and biomass by consuming (eating) other organisms. Most food chains are quite short, and they rarely consist of more than four steps. This is because a lot of energy is lost at each step.
Option(D) is correct
A scientist creates a new kingdom based on the fact that a discovered organism has unique characteristics and he has never seen a similar organism before.
<u>Explanation</u>:
A new kingdom can be created if the organism that has been discovered is entirely different from the organisms existing earlier. If the organism possesses features of any other organism existing earlier than it might be impossible to create a new kingdom.
This helps scientists to create a new kingdom or different species of plants or animals. It helps in the development of unique species that possess unique qualities.
Recall your structures, Cell membrane.