What are 3 characteristics of worms? Worms have a long body with no legs, a distinct head and tail end, are typically small, and have a simple brain connected to a nerve cord. 27 сент. 2021 г.
What are 5 characteristics of worms?
They have five paired organs that act like hearts to pump their blood through large blood vessels. They have a brain and nerve cord. They have reproductive organs and waste-removal organs. Well-developed muscles let the worms crawl through the soil or on top of the ground.
What are the 3 worm classifications?
Many very different and unrelated types of animals that are generally long and soft are called worms. Of these, three common types of worms are: the flatworm, the roundworm, and the segmented worm. Flatworms are soft, unsegmented invertebrates.
What are three unique characteristics of earthworms?
An earthworm has a streamlined body with no antennae or fins or arms or legs! This streamlined shape is an adaptation to living in narrow burrows underground and the need to move easily through the soil. An earthworm has circular muscles that surround each body segment.
What are the characteristics of earth worm?
An earthworm is a terrestrial invertebrate that belongs to the phylum Annelida. They exhibit a tube-within-a-tube body plan; they are externally segmented with corresponding internal segmentation; and they usually have setae on all segments. They occur worldwide where soil, water, and temperature allow.
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