Approximately 5% of the animal kingdom is made up of vertebrates, which includes animals with a backbone such as mammals, birds, reptiles, amphibians, and fish. The majority of animals are invertebrates, which do not have a backbone.

Most vertebrates have a backbone made up of individual bones called vertebrae, which protect the spinal cord. They also have a well-developed nervous system, a defined head with a skull to protect the brain, and bilateral symmetry.

Class Agnatha, which includes jawless fish like lampreys and hagfish, is significant because it represents the most ancient lineage of vertebrates. They provide important insights into the early evolution of vertebrates, particularly the development of key features like jaws and paired fins. Additionally, their unique characteristics and life histories make them valuable subjects for understanding vertebrate diversity and adaptations.

Yes, mice are vertebrates. Vertebrates are animals with a backbone or spinal column, and mice belong to the group of mammals that possess this characteristic.

Simple vertebrates are vertebrate animals that are less complex in terms of their anatomy and behavior. This category includes animals like fish, amphibians, and reptiles, which have a more straightforward body structure and simpler nervous systems compared to more advanced vertebrates like mammals and birds. Simple vertebrates often rely on instinctual behaviors rather than complex cognitive abilities.

Vertebrates grow through a process called somatic growth, which involves an increase in cell number and size. This growth is regulated by hormones, genetic factors, and environmental conditions. As vertebrates mature, they undergo growth spurts followed by periods of slower growth until they reach their adult size.

Mammals and birds are both descended from a group of vertebrates known as archosaurs. This group included early reptiles and gave rise to both dinosaurs (which birds evolved from) and the ancestors of mammals.

There isn't really a common name, since vertebrates are all animals with a backbone/internal skeleton, as opposed to bugs, octopuses, and other animals that don't have that kind of skeletal system.

A vertebrate has vertebrae (vertebrae is the plural of vertebra). A vertebra is one of many bones in the spine.

Vertebrates share a common ancestor because they all descended from a single, ancestral species that had a backbone. Over time, this ancestral species diversified into the many different types of vertebrates we see today through the process of evolution and natural selection.

Some vertebrate animals include mammals (e.g. dogs, cats, and elephants), birds (e.g. eagles, sparrows, and penguins), reptiles (e.g. snakes, turtles, and lizards), amphibians (e.g. frogs, toads, and salamanders), and fish (e.g. goldfish, salmon, and tuna).

There are typically 33 vertebrae in the human spine, including 7 cervical, 12 thoracic, and 5 lumbar vertebrae, as well as the sacrum and coccyx.

They are vertebrates.

Nope, an egret is a feathery bird!

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for vertebratae the subdivision are: fishes, amphibian, reptiles, aves and mammals

invertebratae: mollusca, annalida, anthropoda, nemathoda and euphrodenata

Yes. All birds are vertebrates.

No, krill have no backbone and are not considered to be vertebrates.

What materials make up the endoskeletons of most vertebrates

The skeletal system

Most animals are endangered because humans are moving into the areas where they live (by cutting down forests, or by mining, or farming, etc) and because there is less area for the animals to live in they die. Some other reasons are pollution poisons them, or overhunting kills them.

The mesentry is fold of peritonuem and inclosed tissue which conect intestine (jejunum n ileum) n their appendages with dorsal body wall of abdominal cavity.it is 15cm long and extend from duodonojejunal flexure just lateral(left) to midline and ends at sacro-iliac joint.

Shock absorbent between each vertebrae which keeps them separated when impacted by movement

Apart from the genus homo (humans) the types of primate locomotion are quadrupedalism (moving on all fours/with all four limbs), brachiation (swinging, branch running), and vertical clinging and leaping. "Arboreal quadrupedalism" is the most common type of locomotion among the primate order, meaning the use of grasping hands and feet with a long tail for balance. Although other primate walk on two limbs at times, humans are the only primates that actively engage in bipedalism (standing), the form of locomotion in which two limbs are used for moving.

house sparrow, garter snake, African elephant

No. Squid are invertebrates.