2 because, the two sex cells sperm and egg cells
The mutualistic type of symbiotic relationship is when two organisms benefit from one another. Details about mutualistic relationship is found below.
<h3>What is mutualism?</h3>
Mutualism is any interaction between two species that benefits both species of organisms.
Mutualistic relationship typically involves the exchange of substances or services between the involved parties.
For example, the relationship where the egret feeds on the cattle to get rid of parasites is a mutualistic relationship.
Therefore, the mutualistic type of symbiotic relationship is when two organisms benefit from one another.
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The planets closest to the star are rocky planets formed by elements with high melting points. Moreover, planets far away are gaseous planets and they are composed of elements with lower melting points.
<h3>Rocky planets and gaseous planets</h3>
The rocky planets consist of silicate rocks and/or metals, whereas gaseous planets are mainly composed of hydrogen and helium.
The rocky planets of the solar system include planets closest to the sun, i.e., Mercury, Venus, the Earth, and Mars.
The gaseous planets of the solar system include faraway planets, i.e., Jupiter, Saturn, Uranus, and Neptune.
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