Answer
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Hint: The kingdom animalia is divided into two groups; vertebrates and invertebrates. These groups also undergo further classification based on their body structure, their mode of reproduction, mode of respiration, presence and absence of some body organs, etc.
Complete Answer:
- To solve this question, we have to know about the vertebrates.
- Vertebrates involve the advanced form of organisms of the animal kingdom as they consist of notochord, spinal cord, and vertebrae. They have a series of nerves along the dorsal side of the body and the vertebrae and spinal cord give support to the nerve and the entire body.
- They consist of backbones and rode-like notochords made of cartilage. The animals considered as vertebrates are; birds, fish, amphibians, reptiles, and mammals.
- The skeleton part of the vertebrates consists of brain cases that protect the brain, vertebrae that protect the spinal cord and joins the backbone bend, the bones the support the body structure and the soft tissues found inside the body and gill arches found in amphibians and fish that help them during the respiration process.
- Now, as we know now that the vertebrate includes the animals with notochord and vertebral column but they do not have similar respiratory organs.
- Therefore, the animals are subgroups by the mode of respiration like fishes breathe from gills, the birds’ breathe through air sacs, the amphibians respire through the skin, and the mammals respire with the lungs.
Hence, the correct answer is ‘C’ Organ of respiration.
Note: The mode of reproduction for all the vertebrates is the same as they reproduce sexually. The male gametes get fused with the female gametes to fertilize the ova which undergo maturation and form the fetus. The only difference is some of them undergo external sexual reproduction and some undergo internal sexual reproduction.
Complete Answer:
- To solve this question, we have to know about the vertebrates.
- Vertebrates involve the advanced form of organisms of the animal kingdom as they consist of notochord, spinal cord, and vertebrae. They have a series of nerves along the dorsal side of the body and the vertebrae and spinal cord give support to the nerve and the entire body.
- They consist of backbones and rode-like notochords made of cartilage. The animals considered as vertebrates are; birds, fish, amphibians, reptiles, and mammals.
- The skeleton part of the vertebrates consists of brain cases that protect the brain, vertebrae that protect the spinal cord and joins the backbone bend, the bones the support the body structure and the soft tissues found inside the body and gill arches found in amphibians and fish that help them during the respiration process.
- Now, as we know now that the vertebrate includes the animals with notochord and vertebral column but they do not have similar respiratory organs.
- Therefore, the animals are subgroups by the mode of respiration like fishes breathe from gills, the birds’ breathe through air sacs, the amphibians respire through the skin, and the mammals respire with the lungs.
Hence, the correct answer is ‘C’ Organ of respiration.
Note: The mode of reproduction for all the vertebrates is the same as they reproduce sexually. The male gametes get fused with the female gametes to fertilize the ova which undergo maturation and form the fetus. The only difference is some of them undergo external sexual reproduction and some undergo internal sexual reproduction.
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