The answer is desmosomes. These are inter-cellular hyper-adhesive
between cells that prevent easy tear from mechanical stress. They bestow mechanical strength to tissue. They
are found in tissues such as the cardiac tissue and epithelia. Desmosomes are
composed of intermediate filaments.
Most autotrophs<span> make their "food" through photosynthesis using the energy of the sun.</span>Heterotrophs<span> cannot make their own food, so they must eat or absorb it.</span>