What is common in earthworm and cockroach?

Option:D. – The only thing that cockroaches, centipedes, and earthworms have in common is that they all have haemocoel. The haemocoel is a cavity that pumps blood between the organs of arthropods and annelids.

What is common between earthworm and cockroach?

Earthworms form cocoon but cockroach does not form cocoon in its life cycle. The cockroach has compound eye comprised of a number of ommatidia but earthworm does not have a compound eye. Both earthworm and cockroach are invertebrates having a ventral nervous system. So, the correct answer is option D.

Which system is almost similar in both earthworm and cockroach?

So, the correct answer is ‘Ventral nerve cord

How does cockroach differ from that of earthworm?

Cockroaches are diecious (male or female). It means different organism have different sex.

Earthworm Cockroach
worms have a central nerve cord cockroaches have a ventral nerve cord
digestive tract is straight and simple digestive tract is curved and more developed
Breathe through skin Breathe through trachea
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What is common in earthworm and Apis?

Both earthworm (annelid) and Periplaneta (arthropod) have segmented bodies. In earthworm, the body is metamerically segmented while in Periplaneta, it is externally segmented.

Does cockroach show Metamerism?

It shows true segmentation i.e., external segmentation corresponds with internal segmentation. Cockroach also shows the metameric segmentation. Its anterior few segments are specialized to form head. Such metamerism is called heteronomous metamerism.

Which structure is not found in female cockroach?

In cockroaches, males bear a pair of short, thread-like structures present at the posterior region, which are absent in females. Complete answer: Male and female cockroaches can be distinguished externally through anal style, which is present only in males and absent in female Cockroaches.

How is male cockroach differ from female cockroach?

The body of female cockroach is relatively larger than the male body. The abdomen of male cockroach is slender as well as the last segment of the abdomen is pointed. The abdomen of the female cockroach is boat-shaped and the last segment is blunt. The wings of male cockroaches are larger.

What is the body cavity of cockroach?

The body of the cockroach consists of true coelom. It means that the body contains a cavity which is present in between the digestive system and the body wall. In the case of cockroaches, the cavity is filled with a blood-like fluid. This cavity is known as haemocoel.

What is the economic importance of cockroach?

ECONOMIC IMPORTANCE:

Cockroaches shed their skins and their droppings contaminate hundreds of thousands of kilograms of stored food every year. Cockroaches are one of the most difficult to control pests due to their their ability to quickly become resistant to insecticides and their prolific reproductive habits.

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Which organ is common to earthworm cockroach and Bird?

Exoskeleton is present in phylum arthropoda. Nephridia are the excretory organs in annelids whereas this function is performed by malpighian tubules in cockroaches. Double ventral nerve cord is present in the nervous system of both earthworm (annelida) and cockroach (arthropoda).

What is common between earthworm and plant?

Both have red coloured blood. Both earthworm (annelid) and Periplaneta (arthropod) have segmented while in Periplaneta, it is externally segmented.

Question : What is common between earthworm and Periplaneta?

Question What is common between earthworm and Periplaneta?
Class 11th
Type of Answer Video, Text & Image

What is the locomotion of earthworm?

An earthworm moves using circular and longitudinal muscles, as well as bristles called setae. The earthworm can push the setae out of its body to grab the soil around it. To move forward, the worm uses its setae to anchor the front of its body and contracts the longitudinal muscles to shorten its body.

What is common among earthworm cockroach and centipede?

– The only thing that cockroaches, centipedes, and earthworms have in common is that they all have haemocoel. The haemocoel is a cavity that pumps blood between the organs of arthropods and annelids. Haemolymph is the blood in the haemocoel. Thus, Option:D is the correct answer.

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