Animalia Poem

Overview of Kingdom Animalia 

Multicellular eukaryotic heterotrophs with no cell walls and their own fates
Ninety-seven percent invertebrates and only three percent vertebrates
Radial is one type of symmetry for a living organism
But don’t exclude bilateral symmetry because we are not fond of criticism
Primitive animals are not as specialized as more recent ones are involved
They don’t have a body cavity and their mesoderm is not evolved
Recent animals possess a concentration of nerves in the area of the head
While primitives have either no nervous system or they have a neutral net instead
Keep in mind that the animals who tend to show radial symmetry came first
And current animals exhibit bilateral symmetry even at their worst
Subkingdom Parazoa has organisms that have simple cells, no organs and specialized tissues according to their classification
Whereas members of subkingdom Metazoa carry a complex, multicellular and structural organization
The stages of development for animals start with a fertilized egg
Then a union of the egg and sperm forms like a bruise on a leg
Which join to become diploid cell
Also known as a zygote if that doesn’t ring a bell
This undergoes mitosis to allow a blastocyst to form
And divides to become an embryo as it is the norm
Eventually, the embryo develops three germ layers apart from a butt
There’s the endoderm which later becomes the gut
The ectoderm gives rise to the epidermis or outer skin
And the mesoderm makes organs and muscles for you to be able to grin
An animal is known as a protostome if the blastopore becomes a mouth
Whereas the animal is a deuterostome if the blastopore becomes the anus located down south
This concludes the overview of Kingdom Animalia
Maybe one day you will get to see animals in the country of Somalia

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