At one time, biologists thought that fungi were merely forms of plants that had lost their chlorophyll and had returned to decomposing dead nutrients to gain food. why is this no longer considered a solid theory? (a) plants store glycogen, while fungi store starch(b) fungi attack and engulf food for internal digestion(c) plants are multicellular and fungi are unicellular or multinucleate noncellular plasmodia(d) fungal cell walls contain chitin rather than cellulose(e) fungi have flagella at some stage, providing mobility that plants never have

The correct answer is option D. Fungal cell walls contain chitin rather than cellulose.

Explanation:

Plants and the fungi are thought to be different forms of the plant because they share many similar characters such as both have cell wall and many more.

But plants and fungi also different in many characters such as fungi cell wall made up of chitin while plants have cellulose in their cell wall which is shown main component of the insect and arthropods.

thus, the correct answer is option D. Fungal cell walls contain chitin rather than cellulose.

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully