Charles Darwin was a naturalist who proposed the theory of biological evolution through natural selection. The idea of natural selection presupposes that since resources are usually scarce, organisms that have heritable traits which favour survival and reproduction seem to get more offspring than others, consequently making the trait to rise in frequency over generations (Wallace, 2017). Thus, natural selection causes organisms to become more adapted to their surroundings over time. Natural selection requires that the organisms have physical features or natural traits across the entire species that make them adapt to the environment. However, there are puzzles whereby some members may exhibit some traits while others may not but still survive.
For instance, some burrowing owls scatter mammal dung near their burrows in an attempt to attract their prey (insects) while others do not. Some scholars also suggest that the dung is meant to regulate the microclimate in the burrows (Denton & Scott, 2013). Likewise, some orb-weaving spiders usually add thick silk to their webs in an attempt to capture their prey and make it difficult for the prey to escape. Usually, Darwinian Theory requires that even in different environments, organisms ought to develop features that help them adapt to the environment. On the contrary, the two cases depict situations where organisms do not develop special features but resolve to different modes of doing things. Perhaps it would be accurate to point out that organisms must not only develop physical features to adapt to their environment, but some may change their behavior and actions to become best suited to their environment.
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Conclusively, to better test the hypotheses, it would be imperative to observe how human beings from different places of the world operate. The level of innovation varies across the world. People use different methods to acquire food. The method of acquiring food may not matter just like in the burrowing owls as long as the organism has enough food for survival.
References
Denton, M., & Scott, R. (2013). Evolution: a theory in crisis.
Wallace, A. R. (2017). Darwinism: an exposition of the theory of natural selection with some of its applications . Cosimo, Inc.
