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• 1,Casino redeem< A href='# The following are the world's three major ecosystems together with forests and oceans: ()' title=' The following are called the world's three major ecosystems together with forests and oceans: ()'> The following are called the world's three major ecosystems together with forests and oceans: ()
• 2, The world's three major ecosystems mainly refer to
• 3, The three major ecosystems of the earth are _ __, ___ and ___ ecosystems

The following are known as the world's three major ecosystems together with forests and oceans: ()

1. Wetlands, known as the "kidney of the earth", are ranked as the world's three major ecosystem types along with forests and oceans. Wetlands are called "kidneys of the earth" and are ranked as the three major ecosystems of the world along with forests and oceans. Unified type, it is a unique ecosystem formed by the interaction between water and land, with seasonal or pernenal water accumulation growth or habit-liting animals and plants, etc.

2. Forests, oceans and wetlands are known as the three major ecosystems of the earth. Forest ecosystem is a unified system of interaction between forest organisms and the environment and between forest organisms, and produces energy conversion and material cycle. Wetland ecosystems belong to water ecosystems.

3. Forests, oceans and wetlands are known as the earth's three major ecosystems.Forests are one of the most important ecosystems on earth, and they play a key role in maintaining the earth's ecological balance and biodiversity. Forests can absorb a large amount of carbon dioxide and provide oxygen, while also helping to maintain water sources and protect the soil from erosion.

4. Wetlands, forests and seas are known as the world's three major ecosystems. The scope of ecosystems can be large or small, interlacing with each other. A wetland refers to the junction of land and water, and the water level should be close to or on the surface.

The world's three major ecosystems mainly refer to

Wetlands, forests and oceans are the three major ecosystems in the world, and also It is the most valuable ecosystem, nurturing and enriching the global biodiversity. Therefore, choose D.

The three major ecosystems refer to oceans, forests and wetlands. The ocean is the largest ecosystem in the world, which also includes many ecosystems of different levels. Subordinate ecosystems are generally divided by region and organisms, such as ocean ecosystems, coastal ecosystems, algae ecosystems, mangrove ecosystems, etc.

Analysis of test questions: forests, oceans and wetlands are called togetherAmong the world's three major ecosystems, land, biosphere, atmosphere, forests and oceans are not juside by side. Therefore, choose A. Test site: Ecosystem Comment: This question examines the names of the world's three major ecosystems. The difficulty of the test questions is relatively small, and the key to solving the questions is to memorize the world's three major ecosystems.

The earth's three major ecosystems are ___, ___ and ___ ecosystems

Wetlands, forests and oceans are collectively known as the earth's three major ecological environment systems, which are known as "the earth Kidney", "Natural Reservoir" and "Treasure Treasury of Species". Ecosystem means that in nature, in a certain space, organisms and the environment constrain and influence each other to form a unified whole, and are in a relatively stable equilibrium for a long time.

The world's three major ecosystems refer to wetlands, forests and oceans, which are known as the "kidney of the earth", "natural reservoirs" and "treasury of species". Ecosystem means that in nature, in a certain space, organisms and the environment constrain and influence each other to form a unified whole, and are in a relatively stable equilibrium for a long time.

The earth's three major systems are: wetlands, forests and oceans. It is known as "the kidney of the earth", "natural reservoir" and "treasure treasury of species" respectively.

The world's three major ecosystems are wetlands, forests and oceans. It is known as the kidney of the earth, a natural reservoir and a treasure trove of species. Introduction to the three major ecosystems Wetlands usually refer to the junction of land and water, and the water level should be close to or on the surface.

Forest ecosystems, grassland ecosystems and aquatic ecosystems.These three major ecosystems cover most of the land and waters on earth and are an important foundation for human survival and development.