Backward chaining starts with a goal then searches back. Forward chaining starts with facts and searches forward.
A heifer
I dont know if this is a joke or not but the correct term is heifer
All of the above.
A multicellular organisms is any living this that is made up of more than one cell. Insects, humans and flowers are all made up of microscopic cells that each serve it's own purpose in supporting life.
An example of a single celled organism would be bacteria. They are a very basic living thing only made up of a single cell.
Hope this helps!
A- controls the movement of substances into and out of cells, assuming this is the image the question is relating to
Answer:
Adaptation is process which runs parallel to an evolution
