A. Insects must occasionally shed their exoskeleton to grow a new one
<span>The concordance rate for schizophrenic disorder is higher for an individual if they have AN IDENTICAL TWIN who has been diagnosed with the disorder</span>
Answer:
There is no stated amount of time required
Explanation:
There is no stated amount of time required to which a Scientist can investigate his idea.
The least amount of investigations he is to carry out is one in order to make sure his findings are reproducible. He can go on to carry out as many as eight more investigations just to ensure his findings are correct and universally accepted.
Answer:
Collagen genes.
Explanation:
Phylogenetics helps to study the evolutionary relationship among the different group of organisms. The different characteristics like DNA sequences, mitochondria sequences can be used for the construction of phylogeny tree.
Collagen genes can be used to study the evolutionary relationship as mammals contains nearly 30% of total protein. The collagen gene shows the most of the conserved sequences among the different group of organisms and shows the most recent evolved characters in vertebrates.
Thus, the correct answer is collagen genes.
