The Centrosome is the organelle responsible for organizing the cell into two parts in preparation for cell division. It develops the spindle fibers used in cell division.
The solution is B.
The DNA has to replicate before mitosis to keep the number of chromosomes consistent. Hope this helps.
C)The two species cannot have viable offspring together.
An ecological niche can be defined as the functional role played by the organism or species in order to survive in it's habitat. Like the type of food consumed by the organism, type of mating mating season and others.
In the given situation, the thick beak birds likely to develop in a new species because of this typically adaptation. The two species may exhibit reproductive isolation as they may not be capable of inbreeding among themselves and cannot produce viable offspring together.
Answer:
e) Invertebrates lack a nervous system
Explanation:
One of the main characteristics of invertebrates is that they don't have a backbone. Backbones belong to the skeletal system. A totally different story is the nervous system which runs inside the backbone. Although the more complex nervous systems appear in vertebrates the simply fact of having eyes like crabs or insects implies having a nervous system that can control them.
<span>D. It is a compound made of twenty-four total atoms of three different elements.</span>
