Answer:
Cell, tissue, organelle, organ, organ system.
Explanation:
Cells combined make the tissue,
Tissues combined make the organelle,
Organelles combined make the organ,
Organs combined make the organ system.
The cells are generally the same but animal cells don't have a cell wall and also there vacuole is smaller than plants
Answer:
Examples include rabbits, bacteria, salmon, plants such as weeds and grasses, etc. Many insects are r-selected. For example, ants can be considered r-selected. Plants such as dandelions are another good example of an r-selected species.