Both plant and animal cells have membranes so whatever chemical reactions they have going inside the cell, it is regulated and maintained. Membranes help separate the internal environment from the external environment.
Hope this helps - I'm currently in cell biology so this question is interesting

A dog meets all the characerisitcs of life in the following ways - they maintain homeostatis, are made of cells, breathe and have a metabolism, are able to reproduce, pass their traits off to their offsp they grow and change, and and respond to their environment.

Answer:
The answer is B. They both tell you how fast the object is traveling.
Explanation:
Sorry if this is wrong. Just trying to help!
I believe its D. It becomes more difficult for the cell to get enough oxygen and nutrients.