Explain the following with animals that have them. A) radial, bilateral symmetry

Question

Explain the following with animals that have them. A) radial, bilateral symmetry B) saclike/tube-within-tube arrangement C) acoelomate, pseudocoelomate, eucoelomate animals -explain with detail please Explain the following with animals that have them. A) radial, bilateral symmetry B) saclike/tube-within-tube arrangement C) acoelomate, pseudocoelomate, eucoelomate animals -explain with detail please Explain the following with animals that have them. A) radial, bilateral symmetry B) saclike/tube-within-tube arrangement C) acoelomate, pseudocoelomate, eucoelomate animals -explain with detail please B) saclike/tube-within-tube arrangement C) acoelomate, pseudocoelomate, eucoelomate animals -explain with detail please

Explanation / Answer

a) Radial Symmetry: A animal is said to have radial symmetry if the body can be divided into equal halves in any plane passing through the middle from top to bottom. eg, Hydra, Starfish

Bilateral Symmetry: In this, body can be divided into two similar halves, only in one plane that passes through the median axis.eg, human

b) Sac like: These animals have one pore which function both for digestive and excretory system. eg, sponges

/tube-within-tube arrangement: They have complex arrangement. different pores for digestion and excretion eg; human

c) Acoelomate: These animal have no body cavity. The space between body wall and alimentary canal is filled with parenchymatous tissue. eg, flatworm

Pseudocoelomate(false body cavity): The body cavity is located between mesoderm and endoderm. eg, roundworm.

Eucoelomate(true body cavity): a fluid filled cavity formed within the mesoderm. eg, Annelida, Mollusca

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