True, meristem cells are undifferentiated
-Presence of jointed appendages and gills, lungs, jaws.
-Presence of a chitinous external skeleton or exoskeleton that change periodically.
-Body constituted by repetitive segments, phenomenon known as metamerism<span>.</span>
<span>I hope this help,</span>
<span> Sebastian Goicoechea.</span>
<u>Explanation:</u><u> </u>
In general, field of study refers to gaining the knowledge in a particular branch. On the other hand, science means the system where we can attain the knowledge about the universe. This always delivers with theoretical and experimental descriptions in a detailed manner about natural phenomenon.
This handles with each and every aspects about living organisms and environment. This paves the way to know more details in particular part. Hence, field of study like physics, engineering also referred a science in this manner.
D. the number of mates on the island
their appearance changes cause different birds breeding together can make an impact of how the bird looks
