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Which statement best explains the significance of meiosis in the process of evolution within species?
Meiosis takes place in sexual reproduction and genetic variations takes place in sexual reproduction. Genetic variations lead to evolution to new species.
Why evolution of man considered as a complex process?
The evolution of man is considered a complex process because it takes thousands of years for even a small change to occur. It is a result of genetics and physiological changes which take many generations to take hold.
What question did Charles Darwin attempt to answer?
Why do different organisms live in different places Why do different regions have different organisms
What was the mechanism for evolution according to Darwin?
Survival of the species in a changing environment. A species evolves when its survival is threatened by its environment. EX: Ho-mo sapiens evolved from primitive hominids by natural selection of those hominids with the larger brains. So gradually the primates acquired larger brains and were better able to survive by out-thinking their predators, including other hominids. Ho-mo sapiens means "wise man" in Latin.
Which process takes place in both cell x and cell y egestion fertilisation respiration or pollination?
egestion
Compare lamarck's and Darwin's ideas about evolution takes place?
kos
Which statement best explains the significance of meiosis in the process of evolution within species?
Meiosis takes place in sexual reproduction and genetic variations takes place in sexual reproduction. Genetic variations lead to evolution to new species.
Why cross pollination takes place?
To create more genetic variability so as give momentum to the process of evolution.
Why is evolution a multigenerational multi-individual process?
Evolution is defined as the change in allele frequencies over time. Thus it has to be multi-generational, as the individuals in a single generation don't change their alleles. Similarly, individuals don't evolve (your genes don't change) and so it has to be a multi-individual process that occurs over multiple generations.
What is the comparison between Lamarck's and Darwin's ideas about how evolution takes place?
Lamarck's theory of evolution proposed that organisms could acquire traits during their lifetime and pass those traits to their offspring, a process often summarized as "inheritance of acquired characteristics." In contrast, Darwin's natural selection posits that variations among individuals in a population arise randomly, and those with advantageous traits are more likely to survive and reproduce, thus passing those traits to the next generation. While Lamarck emphasized the role of individual effort in adaptation, Darwin highlighted the importance of environmental pressures and random genetic variation as driving forces in evolution. Ultimately, Darwin's theory is more widely accepted and supported by genetic evidence.
What is the name for the process where the organism best adapted to their environment to survive?
The process is called natural selection, where organisms that are best adapted to their environment are more likely to survive and reproduce, passing on their advantageous traits to the next generation.
What process takes place at the capillaries and how are capillaries suited for this process?
exchange of oxygen and carbon dioxide takes place in the capillaries
What is the difference between flow process and non flow process?
Flow process takes place in open system & non-flow process takes place in closed system.
How and why does natural selection drive the evolution of eukaryotes?
It is often believed that species evolve to become better and become an ultimate organism.This is a misconception. Evolution becomes parallel and takes place simultaneously in different species. Evolution may also be continuous mutation. Evolution takes place simply to ensure better survival in the current habitat.
How does the 2nd law of thermodynamics make evolution impossible?
The second law does NOT make evolution impossible. It just requires that as evolution takes place that there be an increase in entropy of the universe as a whole.
How the process fractionation takes place?
Distillation
What process takes place at the capillaries How the capillaries suited for this place?
exchange of oxygen and carbon dioxide takes place in the capillaries
