Species, speciation... and definitions
What exactly is a species? Humans are obsessive with the categorization of the world around us. However, we often encounter that the world is not as easy to catergorize as one would expect. This is no different for how we group organisms as a species and their evolutionary relationships to one another. There are many systems that can be used for this, first being the biological species concept. The biological species concept is defined as a group of organisms that can naturally reproduce between each other and they are isolated from other populations. This provides a boundary based on reproductive isolation and explains how speciation occurs through gene flow interruption. This, however, does not explain asexual organisms, hybridization, or ring species. Next, is the morphological species concept where physical characteristics and phenotypes are take into consideration for defining a species. This concept can account for asexual organisms and can organize populations aside from genet...
Your post is so well organized! Loved the visuals, can be understood without the words!
ReplyDeleteThis post is well thought out and has lots of details and I appreciate all the visuals used to describe mutations
ReplyDeleteHello Kalissa! I really liked your blog post! I thought the information was very short and simple, which made it easy to understand. I also loved how you laid out this post! Great job! I am looking forward to your next post!
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