Question

define following term
1.hydrosphere
2.Ecosystem ​

Answer 1

Answer:

The hydrosphere is the combined mass of water found on, under, and above the surface of a planet, minor planet, or natural satellite. Although Earth's hydrosphere has been around for about 4 billion years, it continues to change in shape

A complex relationship between all the living and nonliving things (plants, animals, organisms, sun, water, climate etc)interact with each other is known as 'An Ecosystem'. ... For example, let's take the relationship between sheep and lion in the ecosystem; for its survival, the lion eats the sheep.

Answer 2

Answer:

Hydrosphere:

The hydrosphere is the combined mass of water found on, under, and above the surface of the earth. It has been estimated that there are 1386 million cubic kilometres of water on earth. This includes water in liquid and frozen forms in groundwater, oceans, lakes and streams approximately 75% of Earth’s surface, an area of some 361 million square kilometres is covered by ocean.

Ecosystem:

The ecosystem is the structural and functional unit of ecology where the living organisms interact with each other and the surrounding environment. In other words, an ecosystem is a chain of interaction between organisms and their environment. The term “Ecosystem” was first coined by A.G.Tansley, an English botanist, in 1935.

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