If I know the delta u are talking about , it is a mathematical meaning . Both meaning begin with a D just like the Greek letter , which should help u remember
Molecular clocks use rates of mutation to measure evolutionary time.Mutations add up at a fairly constant rate in the DNA of species that evolved from a common ancestor. The more mutations that happened in each lineage, the greater is the differences between these lineages.
Predation is a biological interaction where one organism, the predator, kills and eats another organism, its prey
<span>it is a polysaccharidee </span>
Answer:
The penis is introduced in a vagina of a female then they start movíng to feel pleasure so the penis throws a Liquid called semen it’s what contains ezpermatozoids that’s what it needs to make a baby
Explanation: