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It is bacteria just took the test
Answer: All the above options are correct about the characteristics of Lumbriculus variegatus.
Explanation:
Lumbriculus variegatus also called the black worm belongs to the phylum Annelida and is used by biologists to illustrate:
-blood vessel pulsations,
-swimming reflex,
-peristaltic crawling behavior,
-giant nerve fiber action potentials.
These studies where carried out on them due to the characteristics they possess. These includes:
-its blood circulates in a closed circulatory system
-Freshwater worm found throughout North America and Europe
-Prefers the shallow habitats found at the edges of ponds, lakes, or marshes
-Feeds on decaying vegetation and microorganisms.
The zebra's descendence (offsprings) will not be able to produce blood <span>proteins (hypoproteinemia)
It touches the offspring and not the zebra itself because only the sex cells which gives spermatozoids or ovules) are touched.
The main symptom of hypoproteinemia is swelling of the legs, face and other parts of the body due to fluid accumulation loss of muscle mass.</span>
The peripheral nervous system refers to parts of the nervous system outside the brain and spinal cord. It includes the cranial nerves, spinal nerves and their roots and branches, peripheral nerves, and neuromuscular junctions.
