Why is it important to protect grassland ecosystems?

This type of ecosystem has different plants such as grasses, juncales, grasses or grass constitute the dominant vegetation. Although in the grasslands of the temperate regions and there may be more than 50 species of vascular plants and in the tropical grasslands more than 200, in general, two or three species of grasses are those that dominate more than 60% of the biomass of the land; Here live large herbivores and birds, in addition to a large amount of flora.

Prairie fauna plays a fundamental role in preserving the natural balance, essential for the food chain. Numerous species of animals excavating the prairies, by removing the soil, modify the mineral postresal content of this and enable the growth of plant species. Under the earth, worms and other invertebrates act that also oxygenate the soil, along with millions of bacteria that break down organic waste.

Explanation:

question:  

the chart compares religious beliefs to us political party support.

religious beliefs and party support, 2012

this chart demonstrates that

a) more highly religious people supported the republican candidate, while more nonreligious people supported the democratic candidate.

b) more highly religious people supported the democratic candidate, while more nonreligious people supported the republican candidate.

c) more moderately religious people supported the republican candidate, while more nonreligious people supported the democratic candidate.

d) more moderately religious people supported the democratic candidate, while more nonreligious people supported the republican candidate.

answer: a.