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The cellular level of organization looks at cells as the basic units of life in both plants and animals. It looks at all life as categorized into plant or animal cells and their organizational structure. There may also be a classification as somatic cells and sex cells in the human body.
Animals have more complexity
Organ level
The lowest level is the cell.
organ
Plants are only having tissue level of organisation no organs
is it cells
For both plants and animals it is the species. But there are subspecies in animals and cultivars in plants.
Human Biology refers to quite literally the biology of the human body. Cell Biology can consist of both the life processes of animals (humans) and plants or bacteria, at the cellular level.
first lvl consumers are animals that eat plants animals that eat animals that eat plants are 2nd lvland so on
Animals, human beings
Zoologists study animals and botanists study plants. Biologists study both plants and animals together. Microbiologists study these things at a cellular level.