Ice Ages

There have been multiple glacial periods, known as ice ages, during the last two million years. These ice ages are characterized by intervals of cold climate when ice sheets covered much of the Earth's surface. The exact number of glacial periods can vary depending on the scientific definition used.

During the last great ice age, large ice sheets locked up much of Earth's water, lowering sea levels and creating a land bridge between Asia and North America known as Beringia. This allowed humans to migrate from Asia into North America, eventually leading to the settling of the Americas.

Life on Earth is estimated to have originated around 3.5 to 3.8 billion years ago based on fossil evidence and molecular data analysis. This estimation is constantly being refined as new discoveries are made, but current scientific consensus points to this timeframe for the emergence of life on our planet.

Ice age people lived in caves because caves provided shelter from harsh weather conditions, protection from predators, and a place to store food and resources. Caves were naturally insulated, making them ideal for maintaining an environment that was warmer than the outside.

Dinosaurs were on earth a long time before neanderthal.

Dinosaurs lived on earth from about 230 to 65 million years ago.

Neanderthal features started to evolve around 650,000 years ago (over 64 million years after the extinction of the dinosaurs) and the 1st true neanderthals appeared about 130,000 years ago.

The end of the ice age resulted in the melting of glaciers, leading to rising sea levels which affected coastal communities in the Americas. It also allowed for the migration of new plants and animals, influencing the development of diverse cultures and societies in the region. Additionally, the changing climate allowed for more sustainable agriculture practices.

Neanderthals lived during the ice age and adapted to the harsh conditions by developing specialized tools, hunting techniques, and clothing made from animal hides to withstand the cold. They also sought shelter in caves or built simple structures to protect themselves from the elements. Additionally, the availability of resources and their ability to adapt to changing climates played a crucial role in their survival during this period.

ICE (Internal Combustion Engine) was written by Jack Prochnow and published in 1976 as a Technothriller novel. It follows a team of scientists racing against time to stop an eccentric billionaire from completing a powerful engine that could shift the global power balance.

After the Ice Age, humans began to settle down in permanent homes. These homes were primarily made from materials such as wood, animal bones, and stones. The exact construction and design of these homes varied depending on the region and the resources available. However, common examples include pit dwellings, earth-sheltered homes, and huts made from wood or animal skins.

Yes, the ice age played a significant role in creating land bridges. During periods of glaciation, huge amounts of water were trapped in ice sheets, causing a drop in sea levels. As a result, land bridges formed, connecting previously isolated areas, such as the Bering Land Bridge between Asia and North America. These land bridges allowed the migration of plants, animals, and even early human populations between continents.

Clovis points were important to ancient Indians because they were highly effective tools for hunting and warfare. These points, which were attached to spears or arrows, were carefully crafted and provided a sharp edge for better penetration and killing of prey. They were essential for survival, allowing ancient Indians to hunt large animals such as mammoths and bison more efficiently.

1. Ice age begins
2. Pre-Clovis artifacts are found near Monte Verde, Chile (indicating early human presence in the Americas)
3. People migrate from Asia to North America, potentially crossing via the Bering land bridge
4. Clovis points are found in New Mexico (indicating the presence of a distinct Paleo-Indian culture)

They crossed it to get from Asia to North America while following mammoths.

The ice age people did not have a written language, so it is difficult to determine precisely what language they spoke. However, it is believed that they communicated through a combination of gestures, sounds, and basic vocalizations.

Cavemen did not dig their own caves. They typically sought shelter in natural caves or rock formations, or they constructed simple shelters using leaves, branches, and animal skins. It's unlikely that they had the tools or technology to dig extensive underground dwellings.

Covered regions tended to industrialize earlier.

The specific aspects of culture during the earliest ice age can vary depending on the region. Generally, however, some key aspects include toolmaking, shelter construction, art and symbolic representation, language development, social organization, subsistence strategies (hunting and gathering), and adaptation to changing environments.

so they can find more animals to eat. when the animals are unable to be found, they migrate.

A good historical question is open-ended, specific, and focused. It should prompt investigation, analysis, and exploration of the past. It also encourages critical thinking and can lead to a deeper understanding of historical events, individuals, or societies.

There have been many ice ages in the Phanerozoic apart from the present one, in fact there were also many ice ages in the Proterozoic so it is not a very unusual thing to happen.

He had a mammoth for a friend to give him lifts

We are in the middle of an ice age right now. It started 2.5million years ago. During this ice age there have been many glacials and many interglacials. We are in an interglacial at present. The previous one was 125,000 years ago and has various names around the world but perhaps the most common name is the Eemian. The present interglacial started, arguably, 20,000 years ago when the extent of the continental ice sheets was at its maximum. Most scientists, thought, consider the start of the present interglacial at about 11,000 years ago when melting really got under way. Interglacials seem to be triggered by Milankovitch cycles with the Obliquity (tilt of the earth) apparently being the most important. Over the past 1 million years of the present 2.5m year ice age, only about every third nudge has resulted in an interglacial. Because of our output of Carbon dioxide, it is thought that the onset of the next glacial will be much delayed.

http://mtkass.blogspot.co.nz/2011/08/end-of-ice-ages.html

maybe

Human evolution is the evolutionary process leading up to the appearance of modern humans. While it began with the last common ancestor of all life, the topic usually covers only the evolutionary history of primates, in particular the genus Homo, and the emergence ofHomo sapiens as a distinct species of hominids (or "great apes"). The study of human evolution involves many scientific disciplines, including physical anthropology, primatology, archaeology, linguistics, evolutionary psychology, embryology and genetics.