<span>The cells all have different qualities.
A plant cell will have a cell wall (the others don't have these) and so it will be kept in a rigid shape, unlike the others which are free to be blobby. Inside a plant cell, there is also a vacuole containing cell sap. The others don't have this. Plant cells also have chloroplasts, which look similar to mitochondria on a diagram. Chloroplasts contain chlorophyll, and this is used for photosynthesis. </span><span>
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The correct answer is If spiders evolved first, six legs is the derived trait.
The teacher says that the insects have six legs and the spiders have 8 legs, but the spiders derived this trait and evolved prior than the insects.
The student thinks that the teacher is wrong because he thinks, of the spiders evolved first, the the insects must have derived the 6 leg trait later in the evolutionary history. hence, the 6 leg trait should be derived trait, not the 8 leg trait.
This rock can be classified as:
an igneous rock.
Igneous rocks are made up of
randomly arranged interlocking crystals and the important minerals that can be
found in igneous rocks are feldspars, quartz, olivines, pyroxenes, amphiboles,
and mafic minerals. All of these minerals are important in the formation of
almost all igneous rocks, and they are basic to their classification.
