8 Differences Between Plants And Animals

Plants and animals are both classified under living things, however, there are significant differences between them even to their cell structure. So, this article will look at their cell differences and general differences.

The main differences between plants and animals is the way they obtain their food. All green plants manufacture their own food from carbon dioxide and water. Energy for this process, called photosynthesis, comes from the sunlight that is trapped by chlorophyll, the green pigment present in plants. Oxygen is given out as a waste product. This mode of nutrition is known as autotropic. While in animals, they don’t manufacture their own food but they do not have the pigment chlorophyll. They feed on plants and animals. This is known as heterotrophic nutrition.

Other differences will be discussed below

Differences between plants and animals

Autotrophic mode of nutrition due to presence of chlorophyllHeterotrophic mode of nutrition since they lack chlorophyll
No sense organsWell-developed sense organs
No excretory systemWell-developed excretory system
Limited movement (no organs of locomotion); not activeMove about freely (well-developed organs of locomotion); very active
Slow response to external stimuliRapid response to external stimuli
Spreading body form with no symmetry; unlimited growthCompact symmetrical body form: limited growth
Growth is apicalGrowth occurs equally on all parts
Composed of cells enclosed in rigid cellulose cell walls; cell walls provide mechanical supportComposed of cells which do not have cell walls; external or internal skeletons provide mechanical support

Like I said above, I will also discuss the differences in their cell. A cell is a ‘single unit’ of a living organism. Since both plants and animals differ from one another, the cells that compose the body of plant or an animal must be different from each other in certain respect.

Plant cells are of different types and sizes. Most plant cells have regular outlines and fixed shapes. They may be cylindrical, polygonal or rectangular in shape. However, animal shape may be spherical, rectangular, spindle-shaped, cuboidal or irregular.

Read: 6 classes of food

Differences between Plant and Animal Cells

Plant CellsAnimal Cells
They have cellulose cell wallsNo cellulose cell walls
Definite shapeShapes are not definite
They contain conspicuous vacuoles of varying sizes with cell sapThey are usually not present in animal cells and, where present, are usually small and many
They contain plastids including chlorophyllAbsent in animal cells
Plant cells have carbohydrates stored as starch granuleThey have carbohydrates stored as glycogen
They have a more watery protoplasmThe protoplasm in animal cells is not as much as that of plant cells
The cells are largerThe cells are smaller

Bolarinwa Olajire

A tutor with a demonstrated history of working in the education industry. Skilled in analytical skills. Strong education professional with a M. SC focused in condensed matter. You can follow me on Twitter by clicking on the icon below to ask questions.
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