Answer:
Mechanical incompatibility.
Explanation:
Mechanical incompatibility: occurs when species cannot mate because their reproductive structures are incompatible – In animals with internal fertilization, male and female sexual organs may not fit together – For example, snails of species whose shells have left-handed spirals may be unable to copulate successfully.
Mechanical incompatibility of male and female genitalia is common in animals with internal fertilization. However, our knowledge regarding the precise mechanisms is limited.
Reinassans. people left their nobles and started to become independant. this lead to buissens,trade,exporlation and discovery. sorry about my spelling.
<span>Two common objects for which the natural origin is a metal are
- G</span><span>old and Silver
</span>Two common objects for which the natural origin is a nonmetal- it conducts heat and electricity
- <span> conducts heat and electricity</span>
Cytokinesis. The final cellular division to form two new cells. In plants a cell plate forms along the line of the metaphase plate; in animals there is a constriction of the cytoplasm. The cell then enters interphase - the interval between mitotic divisions.
