This system sorts organisms into clades: groups of organisms that descended from a single ancestor.
Does this serve as the equivalent of the classification of kingdoms ?
This system sorts organisms into clades: groups of organisms that descended from a single ancestor.
Does this serve as the equivalent of the classification of kingdoms ?
New computer programs not only confirm many earlier classified organisms, but also uncover previously made errors. As with physical characteristics, even the DNA sequence can be tricky to read in some cases. For
New technological advancements have allowed for new data to come to light about organisms, other information reassured what has already been established. Organisms have different DNA but it can be difficult to read especially when distinguishing organisms that look alike.
The direction of natural selection shifted so that plants with small leaves were selected because those populations were able to conserve water to survive the new environmental conditions.
Does this mean that the direction of other species can change as well to aid the species in adapting to its environment?
We call this phenomenon convergent evolution, where similar traits evolve independently in species that do not share a recent common ancestry.
Species can have similarities but each species has different structures. For example dogs walk on four limbs but different dogs have different lengths in legs.
Upon further study, he realized that each finch's varied beaks helped the birds acquire a specific type of food. For example, seed-eating finches had stronger, thicker beaks for breaking seeds, and insect-eating finches had spear-like beaks for stabbing their prey.
This means that the observation that Darwin made about the differences between species were due to the species consumption of resources. Different species, different environments, and different beaks.