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What is the ultimate source of variation needed for evolutionary change?
mutation
What is the proof for Darwin's theory of undirected mutation and incremental change over other theories of evolution - punctuated equilibrium?
Punctuated equilibrium is not ' a theory of evolution ' but well ensconced within modern evolutionary theory. Scientists look for evidence, not proof. The evidence suggests that punctuated equilibrium and incremental change are not mutually exclusive and both can occur in nature.
How complicated is nature?
Nature is complex in its diversity and interconnectedness, with intricate ecosystems and processes that have evolved over millions of years. Despite its complexity, nature follows certain patterns and principles that can be observed and studied to better understand its workings.
True or false- if false please fill in the blank Unlike a scientific theory a scientific hypothesis describes an observed pattern in nature without attempting to explain it replace hypothesis?
True. Unlike a scientific theory, a scientific model describes an observed pattern in nature without attempting to explain it.
What is the significance of animals with more than two sexes in the study of reproductive biology?
Animals with more than two sexes are significant in the study of reproductive biology because they challenge traditional binary views of sex and reproduction. By studying these animals, scientists can gain a deeper understanding of the diversity and complexity of reproductive strategies in nature, which can provide valuable insights into evolutionary processes and the mechanisms underlying sexual reproduction.
Is it true that the basic mechanisms of evolutionary change cannot be observed in nature?
No. Natural selection can work very quickly and the observed morphological and behavioral changes are well documented. The observations on both drift and gene flow can be determined in populations small enough in a very short time. Go here for greater detail. talkorigins.org
What describes an observed pattern in nature but does not have an answer for it?
A mystery in nature refers to an observed pattern or phenomenon that lacks a complete explanation rooted in current scientific knowledge. It highlights gaps in our understanding and serves as an invitation for further exploration and research to uncover the underlying mechanisms.
How are spores classified in nature?
Classification of spores is based on the morphological trends observed through fossils. In other words, spores with common evolutionary ancestors are placed in similar groups.
Which constitution known as the evolutionary constitution?
An uncodified constitution has a evolutionary nature.
What is A logical explanation for events observed in nature?
A logical explanation for events observed in nature is the application of scientific principles and theories to understand the causes and mechanisms behind natural phenomena. By observing, measuring, and experimenting, scientists can develop hypotheses and theories that explain how and why certain events occur in the natural world. This logical approach helps us to make sense of the complexity and interconnectedness of the various processes that shape our environment.
The basic mechanisms of evolutionary change cannot be observed in nature?
No. Evolution can be observed in both nature and laboratory settings, the main problem is that it's difficult to view in humans because humans live a long time and also cover the entire planet. Since humans live so long and are everywhere, most of the mechanisms behind evolution take a very long time to have any effect. Looking at species that don't live so long or that can possibly migrate/move, evolution is easily observed. Take ring species, a population starts at one end of a "ring" shaped land mass, the population then splits, one half moves around the ring one way while the other half moves around the ring another way. This population which was the same species with the same traits becomes very different by the time they reach the other side of the ring.
Why does object resist change in its its motion?
I don't think anybody ever figured out WHY this is so. It is just an observed fact of nature.
What are some evolutionary predictions?
My opinion is that very few evolutionary adaptations will take place in any species as environemental change is too radical or extreme for nature to adjust to, in a manner that will allow evolution to flourish among a community.
What uses familiar ideas to explain unfamiliar facts observed in nature?
A model uses familiar ideas to explain unfamiliar facts observed in nature.
Which term describes an observed pattern in nature with out any attempts to explain it?
A phenomenon describes an observed pattern in nature without an attempt to explain its underlying causes.
How is sound reserve by human nature?
Sound reserve in human nature can be attributed to evolutionary survival mechanisms that prioritize caution and wariness in unfamiliar or potentially dangerous situations. It may also stem from cultural norms that emphasize restraint or modesty in verbal expression. Additionally, individual personality traits or experiences can influence someone's inclination towards being reserved in communication.
Is a scientific law an attempt to explain an observed pattern in nature?
Yes.
