<span>During JURASSIC period the first true mammals appear.</span>
Answer:
<h2><u>
Median</u></h2>
Explanation:
The <u><em>median </em></u>is the value separating the higher half from the lower half of a data sample. For a data set, it may be thought of as the "middle" value. For example, in the data set {1, 3, 3, 6, 7, 8, 9}, the median is 6, the fourth largest, and also the fourth smallest,
Hormones are a group of chemicals released by exocrine glands
These hormones are directly secreted into bloodstream from where they reach the site.
Answer:
An individual may carry a very beneficial genotype with a resulting phenotype that, for example, increases the ability to reproduce
Explanation:
Just look it up on the internet
