Answer: Option C
Explanation:
Engulfing of the small photosynthetic by a larger cell. The theory of the endosymbiotic states that the ingested bacteria and the host cell can easily become dependent on each other for the survival which results in the permanent relation.
Over millions of year, the mitochondria and the chloroplast have become more specialized and they cannot live outside the cell.
Hence, the correct answer is option C
Answer:
Wind.
Explanation:
Gymnosperms are also known as naked plants as their ovules are in the unfertilized state and their seeds do not bear fruits. Gymnosperms are known as seed plants.
Gymnosperms pollen grains are transferred from the pollen cone to the ovule. Their pollen are generally transferred by winds as they are lighter and resistant to water. Sometimes, insects are also responsible for the transfer of pollen grains.
Thus, the correct answer is option (b).
Answer:
<em>C. Increased loss of soil nutrients</em>
Explanation: