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love forms it
Ellen Funk
Wiki User
∙ 13y agoThe human skeleton is "preformed" in the early fetus, but the early
form is not of bony material. There are two types of bones according to their preformed
basis: membranous bones and cartilage bones.
Wiki User
∙ 14y agocartilage. the same thing your ears and nose are made of.
Wiki User
∙ 12y agoectoderm, mesoderm, endoderm
Wiki User
∙ 10y agolove forms it
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Why do we have skeletons for?
We have skeletons so that we don't look like a big glob.
What is fetal skull moulding?
fetal skull moulding is the change in the shape of the fetal head during its passage in the birth canal.
What are the 2 methods of fetal monitoring counting?
what are the two methods of fetal monitoring counting
A process where a long thin tube is used to withdraw fetal cells from the fetal side of the placenta is?
It is episitomy
What are the fetal membrane layers?
The fetal membrane layers are the Chorion, Amnion, Yolk sac, and Mesenchymal layer.
The skeletons of sponges are composed of?
spicules
What is the fetal skeleton mainly composed of?
Cartilage
Do fish have skeletons?
yes don't you see in Tom & jerrywhen cats eat fishes and through the skeleton ?? Alternate answer: Yes fish have skeletons. Some fish skeletons are composed of cartilage and some fish skeletons are composed of bone much like human skeletons. FISH ARE VERTBRATES WITCH MEANS THEY HAVE BACKBONES
What is lithified of tiny marine organisms with skeletons composed of silica?
Chalk
How was the rock made?
Chalk is a form of limestone composed of the skeletons and secretions of small marine organisms.
How was the rock chalk made?
Chalk is a form of limestone composed of the skeletons and secretions of small marine organisms.
Which sedementray rock is composed of fragment skeletons and shells of sea organisms compacted and cemented together?
limestone
Which sedimentary rock is composed of fragmented skeletons and shells of sea organismscompacted and cemented together?
Fragmented Sedimentary Rock
What is a calcareous sponge?
A calcareous sponge is any of a variety of sponge of the class Calcarea, with skeletons composed of spicules of calcium carbonate.
Do eels have bones?
Eels are fish, and fish have a skeleton. Note, however, that the skeletons of fish are not composed of "bone" as we know it, but of cartilage.
Which animals have endoskeletons?
An endoskeleton are inner skeletons that are composed of tissue that has become mineralized. Animals with endoskeletons are humans, monkeys, horses, birds, and fish.
Where do muscels attach to the skeletons of invertebrates?
Muscles attach to the exoskeletons of invertebrates at sites called apodemes. Apodemes and the exoskeleton are primarily composed of a polymer called chitin.
