Answer: Option D
Explanation:
A fossil can be defined as the imprint or plant or animal that is preserved in the environment which can be used to known the organism or environment at that time.
The fossil formation takes place when the organism is trapped in ice, trapped in sap or it gets buried in fine sediments at the bottom of the lake.
In these cases the animals dies and remains as it is to form fossil but if incase the animals is completely decomposed by the bacteria and fungi then it cannot be transformed into a fossil as there will be no remains left.
The correct answer is option D
Eukaryotes are normally much larger in size than any prokaryotes considering a eukaryotic organism contains a nucleus and other organelles that are enclosed by the cell membrane, which prokaryotic organisms do not contain a nucleus nor organelles from the cell membrane
Barter is the correct answer
The illustration is missing the type of organisms known as decomposers. They break down dead animals and plants and have the vital role in returning the nutrients back into the system, where they can be used once more by the primary producers.
In the illustration:
The primary producers are the phytoplankton.
The primary consumers are the: krill, cod and zooplankton
The secondary consumers are the remaining species that feed on the primary consumers.
The marine biome is the largest on Earth
