Question

Explain the following term 1) bilateral symmetry 2)triploblastic animals 3) open circulatory system

Answer 1

Hey mate here are the answers ...

• Bilateral symmetry:

                                          refers to organisms with body shapes that are mirror images along a midline called the sagittal plane. The internal organs, however, are not necessarily distributed symmetrically.

• Triploblastic animals:

                                             Having three primary germ layers, such as ectoderm, mesoderm and endoderm.

• Open circulatory system:

                                                    An open circulatory system describes a system where blood and interstitial fluid are allowed to mix in an organism. Interstitial fluid is just the fluid found between cells in the body.

Hope it helps .....

Answer 2

Bilateral Symmetry : Body can be divided into identical right and left halves in only one plane, e.g. Annelida to Chordata.

Triploblastic : Three germ layers (mesoderm,ectoderm,endoderm) develop during embryonic development , e.g. phylum Platyhelminthes to Chordata.

diploblastic : Animals whose body is derived from Two germ layers that is ectoderm and endoderm, mesoderm being absent

Radial Symmetry :when the body of an organism can we get into two similar halves which are mirror images of each other buy any plane passing through any radius

open circulatory system:

circulatory system describes a system where blood and interstitial fluid are allowed to mix in an organism. Interstitial fluid is just the fluid found between cells in the body.

Thank you..............