Quaternary or fourth order consumers are those who occupy the fourth position in the trophic level or food chain, that is, they are species or organisms that feed on tertiary consumers
The macronucleus is the larger elipse-shaped nucleus and takes care of
functions like respiration and digestion. In contrast to this, the
smaller micronucleus is only involved in cell division or reproduction.
<u>Answer:</u>
<em>Several factors have to be considered while planting green roofs.
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<u>Explanation:</u>
<em>Green roof is a roof with vegetation growing in it. The vegetation is usually grown above a waterproof cover.</em> Many factors have to be considered while installing a green roof.
First is <em>sunlight availability</em>. While installing green roofs it has to be ensured that its location has adequate sunlight availability. If not the plants that require less sunlight must be chosen. The roof should be <em>flat or have low inclination.</em> The maximum allowable inclination is 30 degree.
The choice of plants has to be made according to the climate of the region. <em>The dry or wet nature of the region’s weather decides the type of plants grown there. </em>
