The biosphere is the worldwide sum of all ecosystems. Biodiversity is the variation of genetic species in the ecosystem.
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Answer:
it's true
Explanation:
if it's dim light the iris will be large
<h2>Answer:</h2>
Chromosomes are structures present in the nucleus of the every organism's cell and it is the DNA packed with histones proteins.
Explanation:
DNA deoxyribo nucleic acid is the nucleotide sequence which is the blue print of the structural and functional characteristics of the whole organism.
Nucleus of the call is very small to be contain the DNA of cell. So DNA is present in the condense form by wrapping around the histones proteins which is known as cell division.
At the time of cell division, it is present in chromosomal form to equally divide the genetic material.