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提问人：网友dasenlin85 发布时间：2022-01-07

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Some animals adjust themselves ________ their environment by instinct.

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更多“Some animals adjust themselves ________ their environment by instinct.”相关的问题

第1题

根据材料请回答 41～45 题 Adaptation of Living ThingsCertain animals and plants develop c

根据材料请回答 41～45 题

Adaptation of Living Things

Certain animals and plants develop characteristics that help them cope with their envi-ronment better than others of their kind.This natural biological process is called adapta-tion.Among the superior characteristics developed through adaptation are those that may help in getting food or shelter, in providing protection, and in producing and protecting the young.That results in the evolution of more and more organisms(生物体)that are bet-ter fitted to their environments.

F．ach living thing is adapted to its way of life in a general way, but each is adapted es-pecially to its own distinct class.A plant, for example, depends upon its roots to fix itself firmly and to absorb water and inorganic cbemicals(无机物). It depends upon its green leaves for using the sun's energy to make food from inorganic chemicals.These are gener-al adaptations, common to most plants.In addition, there are special adaptations that only certain kinds of plants have.

Many animals have adaptations that help them escape from their enemies.Some are bidden by their body color or shape, and many look like a leaf or a little branch.The coats of deer are colored to mix with the surroundings.Many animals have the ability to remain completely still when an enemy is near.

Organisms have a great variety of ways of adapting.They may adapt in their struc-ture.function, and genetics; in their development and production of the young; and in other respects.An organism may create its own environment, as do warm-blooded roam mals(哺乳动物), which have the ability to adjust body heat exactly to maintain their ideal temperature despite changing weather. Usually adaptations are an advantage, but some times an organism is so well adapted to a particular environment that if conditions change, it finds it difficult or impossible to readapt to the new conditions.

第 41 题 Some plants and animals develop superior characteristics so that they may

A．help others of their kind get food, shelter and other things needed

B．survive even in extremely severe conditions

C．become belier adapted to the environments than others of their kind

D． result in the evolution and production of more intelligent organisms

点击查看答案

第2题

第2篇 Adaptation of Living Things Certain animals and plants develop characteristics th

at help them cope with their environment better than others of their kind. This natural biological process is called adaptation. Among the superior characteristics developed through adaptation are those that may help in getting food or shelter, in providing protection, and in producing and protecting the young. That results in the evolution of more and more organisms that are better fitted to their environments. Each living thing is adapted to its way of life in a general way, but each is adapted especially to its own distinct class. A plant, for example, depends upon its roots to fix itself firmly and to absorb water and inorganic chemicals. It depends upon its green leaves for using the sun\'s energy to make food from inorganic chemicals. These are general adaptations, common to most plants. In addition, there are special adaptations that only certain kinds of plants have. Many animals have adaptations that help them escape from their enemies. Some insects are hidden by their body color or shape, and many look like a leaf or a little branch. The coats of deer are colored to mix with the surroundings. Many animals have the ability to remain completely still when an enemy is near. Organisms have a great variety of ways of adapting. They may adapt in their structure, function, and genetics; in their development and production of the young; and in other respects. An organism may create its won environment, as do warm-blooded mammals, which have the ability to adjust body heat exactly to maintain their ideal temperature despite changing weather. Usually adaptations are an advantage, but sometimes an organism is so well adapted to a particular environment that, if conditions change, it finds it difficult or impossible to readapt to the new conditions.

第36题：Some plants and animals develop superior characteristics so that they may

A. help others of their kind get food, shelter and other things needed.

B. survive even in extremely severe conditions

C. become better adapted to the environments than others of their kind.

D. result in the evolution and production of more intelligent organisms.

点击查看答案

第3题

Adaptation of Living ThingsCertain animals and plants develop characteristics that help th

Adaptation of Living Things

Certain animals and plants develop characteristics that help them cope with their environment better than others of their kind.This natural biological process is called adaptation. Among the superior characteristics developed through adaptation are those that may help in getting food or shelter, in providing protection, and in producing and protecting, the young. That results in the evolution of more and more organisms that are better fitted to their environments.

Each living thing is adapted to its way of life in a general way, but each is adapted especially to its own distinct class. A plant, for example, depends upon its roots to fix itself firmly and to absorb water and inorganic chemicals. It depends upon its green leaves for using the sun's energy to make food from inorganic chemicals. These are general adaptations, common to most plants. In addition, there are special adaptations that only certain kinds of plants have.

Many animals have adaptations that help them escape from their enemies, Some insects are hidden by their body color or shape, and many look like steal or a little branch. The coats of deer are colored to mix with the surroundings. Many animals have the ability to remain completely still when an enemy is near.

Organisms have a great variety of ways of adapting. 'They may adapt in their structure, function, and genetics; in their development and production of the young; and in other respects. An organism may create its own environment, as do warm-blooded mammals, which have the ,ability to adjust body heat exactly to maintain their ideal temperature' despite changing weather; Usually adaptations are an advantage, but sometimes an organism is so well adapted to a particular, environment that, if conditions change, it finds it difficult or impossible to readapt to the new conditions;

Some plants and animals develop superior characteristics so that they may

A．help others of their kind get food, shelter and other ~things needed.:

B．survive even in extremely severe condition.

C．become better adapted to the' environments than' others of their kind.

D．result in the evolution and production of more intelligent organisms,

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第4题

Questions are based on the following passage.Salt is as necessary to life as water. In man

Questions are based on the following passage.

Salt is as necessary to life as water. In many areas of Africa people once drank the urine (尿）

of animals because they had no other source of salt. Without salt, human beings die.

The human body demands that the amount of salt in the blood always stay the same. When the body does not get enough salt, it protects itself by letting less salt leave the body in urine and sweat. But it carmot reduce this output to zero. Some salt is always escaping. On a complete saltless diet, like that of some people in Africa, the body steadily loses small amounts of salt through the kidneys (肾) and sweat glands (腺）It then tries to adjust to this loss by speeding its secretion (分泌) of water. (78) In this way, the body attempts to keep the amount of salt in the blood at the necessary level. The result is a slow drying up of body and,inally,death. The person dies of thirst.

In cases where there is little or no water to drink, the body tries to do the opposite thing. Again, it must keep the salt level in the blood constant. Because it has little water, it attempts to stop water from leaving the body and to increase its secretion of salt. But, as with the escaping salt, it cannot be completely successful. Some water still leaves and the person eventually dies of thirst. In short, the body's normal needs for salt and for water are both parts of the same important need to keep the salt level in the blood constant.

Some African people once drank animal urine __________ 查看材料

A.when they were going to die

B.because they were thirsty

C.because there was little salt

D.because they were short of water

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第5题

回答题：Adaptation of Living ThingsCertain animals and plants develop characteristics that

回答题：

Adaptation of Living Things

Certain animals and plants develop characteristics that help them cope with their environ-ment better than others of their kind. This natural biological process is called adaptation. Among the superior characteristics developed through adaptation are those that may help in getting food or shelter， in providing protection， and in producing and protecting the young. That results in the evolution of more and more organisms（生物体） that are better fitted to their environments.

Each living thing is adapted to its way of life in a general way， but each is adapted especially to its own distinct class. A plant， for example， depends upon its roots to fix itself firmly and to absorb water and inorganic chemicals （无机物）. It depends upon its green leaves for using the sun"s energy to make food from inorganic chemicals. These are general .adaptations， common to most plants. In addition， there are special adaptations that only certain kinds of plants have.

Many animals have adaptations that help them escape from their enemies. Some are hidden by their body color or shape， and many look like a leaf or a little branch. The coats of deer are colored to mix with the surroundings. Many animals have the ability to remain completely still when an enemy is near.

Organisms have a great variety of ways of adapting. They may adapt in their structure， function， and genetics; in their development and production of the young; and in other respects. An organism may create its own environment， as do warm-blooded mammals （哺乳动物）， which have the ability to adjust body heat exactly to maintain their ideal temperature despite changing weather. Usually adaptations are an advantage， but sometimes an organism is so well adapted to a particular environment that if conditions change， it finds it difficult or impossible to readapt to the new conditions.

Some plants and animals develop superior characteristics so that they may 查看材料

A.help Others of their kind get food， shelter and other things needed

B.survive even in extremely severe conditions

C.become better adapted to the environments than others of their kind

D.result in the evolution and production of more intelligent organisms

点击查看答案

第6题

阅读材料，回答题： Adaptation of Living ThingsCertain animals and plants develop character

阅读材料，回答题：

Adaptation of Living Things

Certain animals and plants develop characteristics that help them cope with their environmentbetter than others of their kind. This natural biological process is called adaptation. Among thesuperior characteristics developed through adaptation are those that may help in getting food orshelter, in providing protection, and in producing and protecting the young. That results in the

evolution of more and more organisms（生物体）that are better fitted to their environments.

Each living thing is adapted to its way of life in a general way, but each is adapted especiallyto its own distinct class. A plant, for example, depends upon its roots to fix itself firmly and toabsorb water and inorganic chemicals(无机物). It depends upon its green leaves for using thesun&39;s energy to make food from inorganic chemicals. These are general adaptations, common tomost plants. In addition, there are special adaptations that only certain kinds of plants have.

Many animals have adaptations that help them escape from their enemies. Some are hiddenby their body color or shape, and many look like a leaf or a little branch. The coats of deer arecolored to mix with the surroundings. Many animals have the ability to remain completely stillwhen an enemy is near.

Organisms have a great variety of ways of adapting. They may adapt in their structure, func-tion, and genetics; in their development and production of the young; and in other respects. Anorganism may create its own environment, as do warm-blooded mammals (哺乳动物), whichhave the ability to adjust body heat exactly to maintain their ideal temperature despite changingweather. Usually adaptations are an advantage, but sometimes an organism is so well adapted to a particular environment that if conditions change, it finds it difficult or impossible to readapt to thenew conditions.

Some plants and animals develop superior characteristics so that they may 查看材料

A.help others of their kind get food， shelter and other things needed

B.survive even in extremely severe conditions

C.become better adapted to the environments than others of their kind

D.result in the evolution and production of more intelligent organisms

点击查看答案

第7题

Adaptive convergence and adaptive divergence are ______.A．manifestations of evolutionB．bio

Adaptive convergence and adaptive divergence are ______.

A．manifestations of evolution

B．biological phenomena

C．ways in which plants and animals adjust to a common environment

D．demonstrated by brachiopods and pelecypods

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第8题

Plants and animals change in form. ______.A．as they evolveB．to adjust to environmentC．beca

Plants and animals change in form. ______.

A．as they evolve

B．to adjust to environment

C．because of their structure

D．because of their mode of reproduction

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