The answer is D. The Protista have very little in common with each other besides being unicellular and Eukaryota.
Protista is one of kingdom that consist of any eukaryotic that could not classified as plant, animal or fungi. Since the classification itself based on exclusion, protist group has much less similarity than other group. All protist is unicellular and eukaryote but other than that, they will have many difference in other aspect.
the killer whales would die of starvation as they would have no source of food, and the cod would become overpopulated. The krill would be scarce, and the algae would over grow.
I hope this helps
Option C
This is an example of acquired mutation in which there is genetic transformation due to external factors such a change of temperature, pollution, radiation etc.
Spiders, ticks,mites and scorpions are arachnids<span />
