Answer:
Reasonable length to measure earthworm in this case will be [tex]1/2[/tex] cm.
Explanation:
Lets consider few points to know more about earthworms:
• An earthworm is a terrestrial invertebrate that belongs to the phylum Annelida. They exhibit a tube-within-a-tube body plan, are externally segmented with corresponding internal segmentation, and usually have setae on all segments.
• They occur worldwide where soil, water, and temperature allow. Earthworms are commonly found in soil, eating a wide variety of organic matter.
• This organic matter includes plant matter, living protozoa, rotifers, nematodes, bacteria, fungi, and other microorganisms. An earthworm's digestive system runs the length of its body.
• It respires through its skin. It has a double transport system made of coelomic fluid that moves within the fluid-filled coelom and a simple, closed circulatory system. It has a central and peripheral nervous system.
Thus, from above few points we get better idea about earthworms.
Learn more about earthworm here:
https://brainly.com/question/21593245
