0
When bone first evolved in vertebrates what structure did it form?
Wiki User
∙ 12y ago
1. Bony Exoskeleton (480 mya)
2. Jaws (440 mya)
3. Bony Endoskeleton (410 mya)
4. Limbs capable of moving on Land (365 mya)
5. Amniotic Egg (345 mya)
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
What nervous system structure is specific to vertebrates versus invertebrates?
A back-bone
What chordate structure becomes the spinal chord in vertebrates?
In vertebrates, a backbone of bone or cartilage segments called vertebrae develops around the notochord. Hope i could help
What did the first chicken evolved from if the chicken came before the egg?
Some scientists believe that chickens descended from prehistoric animals that were feathered and had similar bone structure
Why do all vertebrates have similar bone structures in the hand?
It is because the first animal to have a hand had a specific bone structure in that hand that was very well adapted. All vertebrate animals with a hand, wing, or flipper trace ancestry back to that first animal with a hand. The bone structure is modified slightly for each animal, but the organization of bones in the hand is the same among all the animals that have a hand.
Are finger monkeys invertebrate or vertebrate?
Monkeys, like all mammals, have a skeletal structure of bone and cartilage, making them vertebrates.
The fundamental likeness of body structure in all vertebrates indicates that these organisms probably originate from?
The body structure in all vertebrates indicated that these organisms originated from Precambrian times. This has to due with having a back bone.
What are the differences of a vertebrate and invertebrate?
Vertebrates have a back bone but in vertebrates do not
Is bacteria vertebrates?
No, bacteria are not vertebrates as they dont have a back bone.
Do pigs have vertebrates?
yes they do they have a back bone right so they are vertebrates.
What are skeleton vertebrates composed of?
bone
Do vertebrates have endoskeletons?
yes; endoskeleton of vertebrates may be either bone or cartilage
What is the major difference between vertebrates and non-vertebrates?
The major difference between vertebrates and invertebrates is that vertebrates have a back bone and invertebrates don't
