Biology, asked by mukul2345, 1 year ago

collect information about the evolution of the brain of vertebrates and present it in classroom answer the questions big answer

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Answered by Anonymous
227

Answer:

The vertebrate brain is the main part of the central nervous system.[1] In vertebrates (and most other animals) the brain is at the front, in the head. It is protected by the skull and close to the main senses of vision, hearing, balance, taste, and smell. As an animal moves forward, its senses collect data about the surroundings, and that data goes directly to the brain.

Brains are extremely complex. The brain controls the other organs of the body, either by activating muscles or by causing secretion of chemicals such as hormones and neurotransmitters. Muscular action allows rapid and coordinated responses to changes in the environment; hormones and the autonomic nervous system make slower changes in the body. It is also a part of human and animal body. The brain of an adult human weights about 1300–1400 grams

In vertebrates, the spinal cord by itself can cause reflex responses as well as simple movement such as swimming or walking.[2] However, sophisticated control of behaviour requires a centralized brain.

The structure of all vertebrate brains is basically the same. At the same time, during the course of evolution, the vertebrate brain has undergone changes, and become more effective. In so-called 'lower' animals, most or all of the brain structure is inherited, and therefore their behaviour is mostly instinctive. In mammals, and especially in man, the brain is developed further during life by learning. This has the benefit of helping them fit better into their environment. The capacity to learn is seen best in the cerebral cortex

Answered by kirtisingh01
94

Answer :-

The conduct of any living being is characterized by its needs (hunger, sex, interest, dread, and so forth.). As I would like to think, the primary distinction among creatures and people is that the arrangement of the necessities of creatures is naturally shut and that of people is open.

The way that the creature arrangement of necessities is shut doesn't imply that the conduct of creatures is programmed, natural, and so forth. This basically implies the creature can build and seek after a constrained measure of objectives on the grounds that the development and support of an objective require the initiation of an intrinsic need.

For instance, a ravenous chimpanzee can exhibit extremely unpredictable and differing conduct including the fabricate and utilization of devices. Be that as it may, an immersed primate doesn't make instruments in store in light of the fact that for gorillas the produce and utilization of devices is anything but an uncommon action however a result of the initiation of an inborn need.

On the off chance that no need is enacted even helpful exercises can't be performed Only people can produce instruments ( drive vehicles, compose writings, and so forth, and so on,) notwithstanding the condition of their intrinsic needs in light of the fact that the human mind can build adapted needs which are as solid and steady as natural needs.

Every single other qualification among people and creatures are the result of this trademark. For instance, creatures additionally have language however dissimilar to human language, the language of creatures consistently has a constrained measure of sign.

This mirrors the way that creatures have a predetermined number of exercises where their language can be utilized.

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