An organ is a group of tissues working together to perform specific functions. An example of an organ is the heart.
The ability of an animal to maintain a stable internal environment is called homeostasis
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Answer:
BOTONY:
any of the minute pores in the epidermis of the leaf or stem of a plant, forming a slit of variable width which allows movement of gases in and out of the intercellular spaces.
MEDICINE
:
an artificial opening made into a hollow organ, especially one on the surface of the body leading to the gut or trachea.
Explanation:
C. can absorb food directly from the enviornment