<span><span>A.
reproduce through spores</span>
</span>
Answer:
Commensalism only occur among biotic factors
Explanation:
Abiotic factors are non-living factors that interacts with the biotic factor within an ecosystem. Commensalism is an association between two organisms in which one benefits and the other derives neither benefit nor harm.
From the above definition of commensalism, it is clear to note that it only involves two organisms rather than non-living organisms, hence; commensalism involves only biotic factors
<span>The individual who is credited with first discovering the non-coding form of tRNA is that of Friedrich Miescher, as he was studying the role and impact of DNA molecules in humans. The discovery of the nucleic acids can be traced back to 1868 in their origins.</span>
No
There’s no direct correlation between the Earth temperature and the height of men. In fact, the countries that have the tallest men, are also usually the coldest
1.Proteins. Proteins are found in the blood plasma and all over the body. The functions of protein include: repair and maintenance of body tissue, they are components of some hormones e.g. insulin, they make up enzymes, they make up transport molecules such as hemoglobin.
Lipids. These are used for energy storage and production. They provide energy for muscle and body processes.
Starch. Starch is converted into glucose for energy in the body.
Sugar . Sugar in the form of glucose is used by every cell in the body for energy.
Calcium. A mineral that is used by the body for building and keeping bones and teeth strong.
Chloride (NOT chlorine)ion. Acts as an electrolyte in the body.
Iron. Iron is an essential element of hemoglobin in the red blood cells .