2006-11-14 13:52:51 · 3 answers · asked by sarah 1 in Science & Mathematics ➔ Zoology
yo, talk to a animal instructor, or something.
ya dig?
2006-11-14 14:02:33 · answer #1 · answered by ben_doverladies_56 2 · 0⤊ 0⤋
1 animal cells cannot use sunlight directly to make their food.
2 all essential vitamins and minerals are not directly made by animal cells thus they need to be got from plant cells.
3 animal cells cannot produce oxygen as plant cells can.
2006-11-14 15:09:01 · answer #2 · answered by SUMIRA 2 · 1⤊ 0⤋
overlooked the winkie on the top. yet, on the grounds that i'm right here the 1st "cellular" grew to become into an ancestor to sulphur oxidizing archeobacteria. Photosynthesizing micro organism did no longer arrive for many hundreds of thousands of years, and it took a protracted time earlier they themselves grew to grow to be oxygen tolerant, no longer to indicate oxygen effectual. micro organism are neither flora nor animals. the former type of protists as animal grew to become into misguided Victorian anthropomorphism.
2016-12-17 10:15:55 · answer #3 · answered by idaline 4 · 0⤊ 0⤋