Why are the shape of animal cells spherical, whereas plants and fungi are filamentous?

I know this has to do with surface area and volume, but im still unsure about why animal cells are spherical, and why plants/fungi are filamentous.. Please give as much detail as possible Why are the shape of animal cells spherical, whereas plants and fungi are filamentous?
i won't give much detail but i would like to argue that not all animal cells are spherical and that not all plant and fungal cells are filamentous. the shape of the cells depend a lot on its function as well as location. here are some examples of cells that ';beg to differ';





animal cells





1. neurons - star-shaped


2. muscle cells - elongated


3. epithelial cells - can be flat (squamous), cuboidal, or columnar depending on the location





yeast cells which are fungi are not elongated at all, they are spherical in shape and capable of buddingWhy are the shape of animal cells spherical, whereas plants and fungi are filamentous?
They're not spherical, far from it, that's probably confusion from the simplified diagrams. No cell is perfectly spherical, certainly, and very few are even round. Nerve cells are entirely tendril, and some are over a metre long. Muscle cells are elongated, squamous epithelial cell are flat, sperm cells are tadpole-shaped, macrophage and neutrophil white blood cells are amoeboid. Cells come in all shapes and sizes. Look at a scanning electron micrograph of almost any cell (the 3D false-colour microscope ones) and you will see that they look miniature explosions. But a long of free-floating cells with revert to rough ball shapes, being the shape that can hold the most volume compared to surface area. Though usually they are covered with tendrils. Most cells that can be easily made available to be scanned by scanning electron microscopes are of these kinds.





Both plant and fungi cells have cell walls that provide a rigid shape and structure to their cells- plant cell walls are composed of cellulose (hugely long, straight chains of beta-glucose), while fungal cell walls are made of chitin (a protein also found in invertebrate shells and exoskeletons). Animal cells therefore are soft, and can change shape easily. Their structure is maintains and controlled by a ';cytoskeleton';, chains of proteins in the cytoplasm that can be created and dismantled with speed. These chains are also used to hold organelles like mitochondria and lysosomes in place, and they move around using transport proteins that literally ';walk'; along the chains. Plant and fungi cells also contain cytoskeletons for this purpose.
Are you in Ms. Schumacher's bio class because i swear i asked a question on yahoo a few weeks ago that you asked also hahah