The upper layer of the Earth
<span>They need to adapt to changes in temperature because under the water it may be warm while the surface is cold and water or moisture because the tide is constantly changing so sometime they may have water while other times they might not.</span>
<em><u>Soil preparation for vegetable growing involves many of the usual operations required for other crops. </u></em>
<em><u>Good drainage is especially important for early vegetables because wet soil ret</u></em><em><u>.</u></em><em><u>ards development.</u></em>
Analogous structures are structures with different evolutionary ancestries but they have the same function. Examples include; wings of birds, insects and bats. On the other hand homologous structures have similar ancestries and common traits but may not have the same function in an organism. Well; in the above question Human apes have five fingers they can use to grasp objects, which i think these are homologous structures.
