It is false I think or true but I am sure it is not true
The Earth was first considered habitable when we discovered that it was Microbial organisms that started the process. I would go with D.
A. The hosts body could reject the transplanted stem cells
Explanation:
A model is used to help scientists visualise things that they cannot actually see. It can be thought of as a thinking tool, to help form explanations. Models are useful simplifications to aid understanding. ... It can then be used to explain further phenomena and to make predictions of future behaviour.
Answer:
The biological levels of organization of living things arranged from the simplest to most complex are organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, and biosphere.
Explanation:
I found the answer on the internet :)
