In terms of parasites vs hosts, it is an organism in which the parasite resides and normally feeds + reproduces.
All organisms need to adapt to their habitat to be able to survive. This means adapting to be able to survive the climatic conditions of the ecosystem, predators, and other species that compete for the same food and space
A movement of alleles resulting from migration. I hope I helped
A cell is analogous to an engineered watch because it consists of numerous interdependent sub units and also because coded information can not arise from random processes. A cell is the basic unit of living systems. Although it is relatively easy to visualize the components of cells, it is difficult to conceptualize how these components function together to sustain life within the cell.