Answer:
i dont know but i think both
Explanation:
hope i helped
Answer:
I need a name for my biology team, it's about the relationship of fossils to the theory of evolution.
Explanation:
During electrophoresis, the fragment that travelled the furthest will be the smallest one. So if it's coming from top to bottom, then the band closest to the bottom will be the smallest one.
Answer:
Timeline. In a temperate climate, it usually requires three weeks to several years for a body to completely decompose into a skeleton, depending on factors such as temperature, humidity, presence of insects, and submergence in a substrate such as water.
Explanation:
Numerous barriers can prevent sperm from reaching and fertilizing the egg, this can be that the Sperm may be defected, or lack the required number of mitochondria needed to help move the sperm. Also, if sperm had already fertilized the egg, there is a change that takes place to the membrane surrounding the egg preventing further sperm from fertilizing.