Nuclear DNA is present in the nucleus of eukaryotic cells. When working with the DNA samples, the best source of nuclear DNA is hair root that anchors the whole shaft of hair. Hair root possesses cells that are called as keratinocytes.
Factories and automobiles
B, C, D
A is r-selected species
Answer:
The Yellowstone nourishment web given shows that voles and mice subject to grasses and herbs. The badger rely upon the two voles and mice. This perception can be induced as that voles can keep up bigger populace when they exist with mice. This is on the grounds that the badgers prey both on mice and voles yet not the only one on voles. Thus, the mice can likewise keep up a steady populace on coexisting with voles as there is equivalent open door for mice and voles be implored up on by badgers. The badgers can keep up a steady populace when they rely upon the two mice and voles for their nourishment. In this manner, the alternatives a,b
