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.
<h3><u>Answer;</u></h3>
aquifers
<h3><u>Explanation;</u></h3>
- <u>Most liquid freshwater is found under the Earth's surface as groundwater or aquifers, while the rest is found in lakes, rivers, and streams, and water vapor in the sky. </u>
- About 68% of freshwater is found in glaciers and icecaps such as in Greenland, the poles, and other glaciers. Another 30% is found in groundwater, which basically means aquifers. Only 1% of freshwater is found in surface water such as lakes, rivers, etc.
When Mendel conducted his experiments he did not just look at the first generation he also looked at the second generation. When he did look at the second generation he saw that the trait would appear.
The answer is C & E
Fatigue as well as Enlarged lymph nodes