Question

3. Vertebrates and invertebrates can be
differentiated due to presence of
(A) Tail
(B) Coelom
(C) Dorsal tubular nerve chord
(D) Brain​

Answer 1

Answer:

Explanation:

Animals can be classified into two main groups:

vertebrates and invertebrates.

The main difference between vertebrates and invertebrates is that invertebrates, like insects and flatworms, do not have a backbone or a spinal column.

Examples of vertebrates include humans, birds, and snakes. Invertebrates lack the well- developed skeleton system, backbone as well nervous system whereas, vertebrates constitutes, segmented,  vertebral column together term as the spine, along with proper organized, nervous system, digestive system, gastrointestinal tract and respiratory system.

Answer 2

Answer:

"Vertebrates and invertebrates" can be differentiated due to the presence of "(C) Dorsal tubular nerve chord".

Explanation:

The main difference between a vertebrate and an invertebrate can be adjudged from their very names – Vertebrates are the ones that posses a vertebral column, enclosing a "Nerve chord" which is tubular in shape and present in the dorsal portion of the body, while, Invertebrates are the ones that lack a vertebral column enclosing the dorsal tubular nerve chord.