It’s important because it helps maintain the soil especially if the soil has low organic matter.
The sun’s energy causes water to evaporate from oceans and lakes into the atmosphere. {{{Plants and animals also release water vapour into the atmosphere as they breathe( or sometimes by evaporation of sweat from the skin).}}} When the atmosphere cools, water vapor condenses; making clouds that might produce rain or snow. Water has been recycled in its different forms as ice, liquid, or vapor for more than 3.5 billion years.
<span>As for the carbon cycle, plants absorb carbon dioxide from the atmosphere and use it, combined with water they get from the soil, to make the substances they need for growth. The process of photosynthesis incorporates the carbon atoms from carbon dioxide into sugars. {{{Animals,such as rabbits, eat the plants and use the carbon to build their own tissues. Other animals, such as foxes, eat the rabbits and then use the carbon for their own needs. These animals return carbon dioxide into the air when they breathe, and when they die, since the carbon is returned to the soil during decomposition. The carbon atoms in soil may then be used in a new plant or small microorganisms.}}} Ultimately, the same carbon atom can move through many organisms and even end in the same place where it began. Herein lies the fascination of the carbon cycle; the same atoms can be recycled for millennia! </span>
<span>Hope this helps :)</span>
An embryo with meroblastic cleavage, extraembryonic membranes, and a primitive streak must be that of a option(c)i.e, bird.
Mesoderm is produced by the primitive streak, and it eventually becomes mesenchyme (embryonic connective tissue). Around growing organs, mesenchyme develops into a packing tissue before becoming connective tissues and muscles. With birds, we start to witness the embryos develop in a meroblastic manner, with a lot more yolk than usual. Cell mobility is also unusual because the cells in birds lie more in sheets than in balls.
A longitudinal thickening of cells along the blastoderm of large-yolked eggs forms the primitive streak during ingression, through which potential chordamesoderm and mesoderm cells move inward. Cells of the hypoblast are replaced by endodermal cells. Through ingression, the embryo develops longer and fills more of the region pellucida, lengthening the original stripe over the surface of the yolk. Following gastrulation, the neural tube and its supporting components are formed during the process of neurulation.
Learn more about primitive streak here: brainly.com/question/13153357
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The First Iguanodon tooth was discovered in the 1822, it was
considered to be one of the earliest dinosaur discoveries in the planet. In the
year 1825, it was confirmed by Doctor Gideon mantel that the tooth he had
discovered was of an Iguanodon, since the teeth he discovered was similar to
the Iguana which is found today in our planet.