Mutualism. e.g. oxpecker and zebra
commensalism. e.g. remora fish and sharks
parasitism. e.g. tapeworms and cow
The dermal tissue of a plant is the extremely thin outer layer of the soft parts of a plant. It is also known as the epidermis. Epidermal cells are flattened and very close together. Stomata are found in the dermal tissue. ... Adaptations of the dermal tissue include epidermal hairs and root hairs.
Answer:Morphology and Physiology
Explanation:Morphology studies the form,structure and features of an organism this could include the shape,height,color etc while physiology help study the underlaying factor that gives rise to the ways its functions.
This two are key for a Biology to group an organism for when the morphology is know it is possible to classify such organism.
D.
Viruses are not considered to be living organisms but they can function inside living cells and multiply by using things in the cells. They can cause diseases in living organism and studying them is important in the medical field.
A group of organ systems working together is an organism.