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Question
Common feature between cockroach and earthworm is
Common feature between cockroach and earthworm is
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Solution
The correct option is D Ventral nerve cord
The ventral nerve cord makes up the nervous system of some phyla of the invertebrates, particularly within the nematodes, annelids and the arthropods. It usually consists of cerebral ganglia anteriorly with the nerve cords running down the ventral plane of the organism. This characteristic is important in qualifying the difference compared to the chordates, which have a dorsal nerve cord. It is present in both cockroach and earthworm. In biology, a hermaphrodite is an organism that has reproductive organs normally associated with both male and female sexes. Many taxonomic groups of animals (mostly invertebrates) do not have separate sexes. It is present in only earthworms. Moulting of the cuticle is present only in the cockroachExcretion by nephridia is found only in earthworms
So, the correct answer is 'Ventral nerve cord'
The ventral nerve cord makes up the nervous system of some phyla of the invertebrates, particularly within the nematodes, annelids and the arthropods. It usually consists of cerebral ganglia anteriorly with the nerve cords running down the ventral plane of the organism. This characteristic is important in qualifying the difference compared to the chordates, which have a dorsal nerve cord. It is present in both cockroach and earthworm.
In biology, a hermaphrodite is an organism that has reproductive organs normally associated with both male and female sexes. Many taxonomic groups of animals (mostly invertebrates) do not have separate sexes. It is present in only earthworms.
Moulting of the cuticle is present only in the cockroach
Excretion by nephridia is found only in earthworms
So, the correct answer is 'Ventral nerve cord'
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