||They have backbone or vertebral column.
||They do not have backbone or vertebral column.
||They are the most organized animals on the earth.
||They are not organized as vertebrates.
||They consist of single phylum.
||They consist of eight phylum.
||They have internal skeleton.
||Internal skeleton absent.
||They have two pairs of limbs.
||They have three or more pairs of limbs.
||Heart is on the ventral side of the body.
||Heart if present, is on the dorsal side of the body.
||Nerve cord is dorsal and hollow.
||Nerve cord is ventral and solid.
||Haemoglobin in red blood cells.
||Haemoglobin, if present, dissolved.
||A tail is usually present.
||Tail is absent.
||Less than 10% of animals on the earth.
||Over 90% of animals on the earth.
||They have notochord during embryonic period.
||They do not have notochord.
||They are large sized animals.
||They are small and slowly moving animals.
||Pharynx has pharyngeal clefts that help in breathing.
||They do not have pharyngeal clefts.
||They have a closed circulatory system.
||Most have an open circulatory system.
||They have hepatic portal system.
||They do not have such system.
||Skin consists of epidermis and dermis layer.
||Skin consists of a single layer.
||Eyes are an outgrowth from the brain.
||Eyes are an outgrowth from the skin.
||Do not have compound eyes.
||They have compound eyes.
||They are mostly unisexual.
||They may be unisexual or bisexual (hermaphrodite).
Image source: thebiologynotes
Differences between vertebrates and invertebrates