Human Evolution

noun a hypothetical form of animal assumed to have been a common ancestor of two or more distinct species

• The missing link in the investigation was finally discovered through DNA evidence.
• We found the missing link to the puzzle - turns out it was hidden in the last file.
• I finally found the missing link to my outfit - these shoes tie everything together perfectly.
• Communication is the missing link in their relationship, causing misunderstandings and conflicts.

noun A prehistoric human being, typically referring to a member of the species Homo sapiens who lived before written records were kept

adjective Describing something that belongs to or existed in a time before recorded history

• The study of prehistoric man provides valuable insights into early human behavior.
• Prehistoric man must have had a tough time surviving in the wild.
• Back in the day, prehistoric man was just trying to figure things out.
• In the modern world, some people still exhibit behaviors similar to prehistoric man.

noun A noun is a word that represents a person, place, thing, or idea. In this case, 'protohuman' is a noun that refers to an early or primitive form of human being.

• The study of protohumans provides valuable insights into human evolution.
• Scientists have discovered new evidence about protohumans that changes our understanding of early human history.
• Did you hear about those ancient protohumans? Wild stuff!
• Exploring our ancestors as protohumans can help us better understand our own humanity.

noun a plural noun referring to the hard, white structures in the mouth used for biting and chewing food

• Dental hygiene is crucial for maintaining healthy teeth.
• I need to schedule a dentist appointment to check on my teeth.
• I chipped a tooth while eating that hard candy.
• She clenched her teeth and pushed through the pain to finish the race.

noun The Pleistocene is a geological epoch that lasted from about 2.6 million to 11,700 years ago, characterized by multiple ice ages and the presence of early humans.

adjective Pleistocene can also be used as an adjective to describe things related to or characteristic of this geological epoch.

• The Pleistocene epoch lasted from about 2.6 million to 11,700 years ago.
• Did you know that mammoths roamed the Earth during the Pleistocene period?
• Back in the Pleistocene days, things were totally different.
• Her fashion sense is so outdated, it's like she's stuck in the Pleistocene era.

noun a being or creature that existed before humans

adjective describing something that existed before humans

• The study of prehuman civilizations is a fascinating area of research for archaeologists.
• Some scientists believe that prehuman species may have had advanced intelligence.
• I heard a rumor that there are prehuman creatures living in the forest.
• The artist's depiction of a prehuman landscape was both eerie and captivating.

adjective relating to or controlled by genes on an autosome.

• Autosomal inheritance refers to the transmission of genes located on autosomes, which are non-sex chromosomes.
• Autosomal traits are characteristics that are passed down from both parents, not just one.
• My cousin and I both have the same autosomal gene for curly hair.
• In the game of genetics, autosomal traits play a key role in determining our physical features.

noun Homo habilis

• Homo habilis is an extinct species of the genus Homo, believed to have lived approximately 2.3 to 1.4 million years ago.
• Have you heard of Homo habilis? They were like the handymen of the ancient human species.
• Homo habilis was basically the OG handyman of the Homo genus.
• Just like Homo habilis adapted to their environment, we too must be flexible and innovative in our approach to challenges.

noun an artifact, typically a handaxe, associated with the Acheulean culture

adjective relating to or denoting a Lower Paleolithic archaeological culture of the early Stone Age, characterized by large bifacial handaxes

• The acheulean handaxe is a type of prehistoric stone tool.
• Have you heard of the acheulean handaxe before?
• That acheulean handaxe is so old school.
• His acheulean approach to problem-solving is outdated.

noun a member of the Acheulian culture or a tool or artifact associated with this culture

adjective relating to or characteristic of the Acheulian culture, an archaeological culture of the Lower Paleolithic period

• The acheulian stone tools were some of the earliest tools used by prehistoric humans.
• Have you seen those acheulian artifacts at the museum? They're pretty cool.
• I can't believe they made those acheulian tools without modern technology, that's wild.
• Her acheulian strength and determination carried her through the toughest of times.