Speciation is the
process by which new and distinct species are formed. One of the most important
factors necessary for speciation to occur is the genetic isolation of two
populations. This genetic isolation can, over long periods of time, cause these
two groups to become genetically incompatible. Factors that can lead to this
genetic isolation include geographic separation and hostility among population
groups.
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Explanation:
Studying history enables us to develop better understanding of the world in which we live. Building knowledge and understanding of historical events and trends, especially over the past century, enables us to develop a much greater appreciation for current events today.
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So, a sudden drop in the death rate means that while everything stays the same, less penguins are dying: the penguins are living longer! This means that the population will increase: there will be more penguins at all times!
An exoskeleton made of chitin, jointed appendages and well developed sensory structures are characteristics that classify the Daphnia magna observed in lab as a member of the Crustacea.
Daphnia Magna is a small planktonic organism that belongs to the subclass Phyllopoda. It inhabits a variety of freshwater environments. Most common it is found in the northern hemisphere, and in South Africa.
