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How did homo sapiens get to Europe?
Homo sapiens are believed to have migrated to Europe from Africa around 40,000-50,000 years ago, potentially through the Levantine corridor or across the Strait of Gibraltar. These early humans gradually spread across Europe, adapting to different environments and eventually replacing existing hominid populations like the Neanderthals.
Scientists who study existing and past human cultures?
Anthropologists are scientists who study existing and past human cultures. They examine the social, cultural, and physical aspects of human societies to understand diversity and commonalities across different populations. Through fieldwork, observations, and analysis, anthropologists contribute to knowledge about human behavior and history.
What hominid lived the longest?
The Homo sapiens is the hominid species that has lived the longest and is the only existing species of hominids.
Do scientists believe man was created by God or that they just evolved?
Different scientists hold different beliefs. Many scientists accept the theory of evolution as a scientific explanation for the diversity of life on Earth. However, there are also scientists who believe in theistic evolution, which posits that evolution is a process guided by a higher power, such as God. Ultimately, beliefs about the origins of humans vary among scientists.
Are humans the only existing homo sapiens?
Yes, humans are the only existing homo sapiens. The term homo sapien refers to the modern man. Homo neanderthalsis is the Neanderthal or primitive man.
True or false an existing community is gradually replaced by another community in an ecological succession?
Ecological Succession--The gradual replacement of one community by anotherPrimary Succession--Ecological succession that happens where there are few, if any, living things.Secondary Succession--Ecological succession in a place where a community already exists.
What is succession in science?
Succession in science refers to the process by which an ecological community evolves over time. It involves a series of biological and environmental changes that occur as one community is replaced by another until a stable climax community is reached. Succession can be primary (starting from bare rock or soil) or secondary (following disturbance to an existing community).
After a major forest fire the process of succession begins changes the ecosystem?
It is a phenomenon or process by which an ecological community undergoes more or less orderly and predictable changes following a disturbance or the initial colonization of a new habitat. Succession may be initiated either by formation of new, unoccupied habitat, such as from a lava flow or a severe landslide, or by some form of disturbance, such as from a fire, severe wind-throw, logging, of an existing community. Succession that begins in new habitats, uninfluenced by pre-existing communities is called primary succession, whereas succession that follows disruption of a pre-existing community is called secondary succession
What is the definition of succession in science?
Succession in science refers to the process by which a community of plants and animals gradually changes over time in a particular area. It involves the replacement of one community by another as the environment changes. Succession can be primary (beginning in a newly formed habitat) or secondary (beginning after a disturbance in an existing habitat).
What is ecological succesion?
Ecological succession is a fundamental phenomenon of ecology. It refers to progressive succession from unstable community to stable community. Initiation of succession is by a) formation of new inhabited area - volcanic eruption; wash out by tsunami etc. b) natural and man made calamities - fire Succession is of two types: Primary - from newly formed soil & secondary - from already existing soil. Ecological succession refers to the orderly and gradual process in a given ecosystem.
When does succession occur?
Succession occurs when like a volcano erupts and the land is covered with the volcanic rock and no plants can grow. Then, it takes many years for plants and animals to be restored. Also, like when a farmer takes land with trees, and cuts them done for farm land. If he eventually leaves, it takes time, maybe 40 years, for it to restore. I hope that helped.
What is the establishment of the first living community to develop in an area that used to be lifeless called?
The establishment of the first living community in an area that was previously lifeless is called primary succession. This process involves the colonization of new land where there was no pre-existing community, allowing pioneer species to gradually establish and diversify the ecosystem.
Secondary succession could occur after what?
Secondary succession can occur after disturbances such as forest fires, hurricanes, or farming activities that have disrupted an existing ecosystem, allowing new vegetation to gradually establish and thrive.
What type of succession takes place when there is no existing biotic community to begin with?
Primary succession occurs when there is no existing biotic community present. This type of succession starts with bare rock or soil and involves the gradual process of ecosystem development over time. Pioneer species, such as lichens and mosses, are the first to colonize the area and pave the way for more complex plant and animal communities to establish.
What is the formation of a new community where another community already exists known as?
The formation of a new community within an existing community is typically known as "infill development" or "infilling." This process involves developing vacant or underused parcels of land within an established area, rather than expanding into greenfield or undeveloped areas. Infill development can help maximize land use efficiency and revitalize existing communities.
What would form a stable community faster primary or secondary succession?
Primary succession would form a stable community faster because it begins with bare rock or soil and the process takes longer to establish stable conditions. In contrast, secondary succession starts with existing soil and vegetation, which accelerates the recovery process and helps establish stability sooner.
What type of changes cause succession?
If the changes are long-lasting and not seasonal, the existing community may be replaced by a new comunity. this sequence of change in which one comunity is replaced by another is called succession.
