One theory is that early bacteria took in smaller bacteria. The smaller bacteria were not destroyed. After a time they began to specialize and perform specific functions for the larger cell. Other bacteria were taken in which also specialized. The genetic material of the smaller bacteria became incorporated into the genetic material of the larger. When the large bacteria reproduced, it then would produce copies of the smaller ones inside. These smaller bacteria were then acting as organelles. Cells with organelles are complex, or eukaryote cells. A membrane would also form around the genetic material of the larger cell, creating a nucleus.
The heterosporous condition led to the evolution of two distinct types of spores: microspores (male) and megaspores (female). This allowed for the development of separate male and female gametophytes, which improved the efficiency of sexual reproduction in plants. It also facilitated the colonization of diverse terrestrial habitats.
Eukaryotes evolved from a process call endosymbiosis. Endosymbiosis states that eukaryotes started as two separate bacterium. The bigger bacteria engulfed the smaller. This is how the mitochondria is enclosed in the cell. There is evidence of this because the mitochondria has its on cell membrane and contains its own DNA.
Ozone played a vital rose after appearance. It led to evolution of complex organisms.
The Toba supervolcanic eruption, which occurred around 74,000 years ago, led to a volcanic winter and a significant drop in global temperatures. This event caused widespread environmental devastation, leading to a bottleneck in human populations and possibly affecting the course of human evolution.
The Industrial Revolution and the Technology Age have led to increased human population, urbanization, and environmental degradation through pollution and resource exploitation. These changes could have long-term consequences on biodiversity, ecosystems, and climate, potentially altering the course of evolution for many species on Earth. Adaptation to these changing environments may become a key factor influencing the evolution of life on our planet.
The heterosporous condition led to the evolution of two distinct types of spores: microspores (male) and megaspores (female). This allowed for the development of separate male and female gametophytes, which improved the efficiency of sexual reproduction in plants. It also facilitated the colonization of diverse terrestrial habitats.
The Galapagos Islands are significant in the evolution of species because they inspired Charles Darwin's theory of natural selection. The unique environment and isolation of the islands led to the development of distinct species, providing evidence for evolution. The islands are important in the study of evolution because they showcase how environmental factors can drive the adaptation and diversification of species over time.
The following environmental factors led to development of Mesopotamia: - Droughts - Floods - Volcanic Activity - And others
Darwin believed that geographical isolation led to the formation of new species through the process of natural selection. He observed that isolated populations of organisms in different geographical locations faced unique environmental challenges, resulting in adaptations that eventually led to the formation of distinct species. This idea of geographic isolation as a driver of evolution is now known as allopatric speciation.
cell differentiation
Hinduism is not a religion but is a mentality the religion is Santana Dharma evolution of life and civlization and society led to a common rules that became for sophisticated with time and led to Hinduism. Nobody knows the exact time of its evolution.
Discovering proof of evolution
Discovering proof of evolution
Evolution is. Evolution is not progressive, directional or linear. That prediction on where human evolution will lead cannot be made. Evolution occurs when a certain trait increases an individual's odds of reproducing at a given time. It can be something as minor as eyes set further apart or a straighter nose. It fluxes within populations even in succeeding generations.
Evolution has been occurring on Earth for over 3.5 billion years. The process of evolution is ongoing and has led to the diversity of life forms that we see today.
Evolution is process involved in it .
Evolution is process involved in it .