Answer;
Cell
Explanation;
-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, ecosystem, and biosphere.
-Cell is the basic unit and building block of life. It is bound by a cell membrane, and possesses a nucleus which acts as its brain. Arachnoidiscus ehrenbergi is an example of diatoms which are unicellular, therefore it is a cell.
Answer:
is a state of matter from a lower concentration to a higher concentration
Answer There resources include food, fuel, renewable energy, minerals, sand and gravel and tourism. Sustainable development and management of ocean resources is widely recognized by the international community and required for sustained human well-being.
Explanation:
