During glacial maxima, Australia, new guinea, and Tasmania were a single land mass called Sahul.
- The single Pleistocene continent known as Sahul united Australia with New Guinea and Tasmania. Rising sea levels gave rise to the distinct landmasses that we can now recognize, even though the sea level at the time was up to 150 meters (490 feet) lower than it is now.
- Australia, New Guinea, Tasmania, and Seram were all parts of the ancient continent Sahul.
- Since the Last Glacial Maximum, sea levels have risen. Around 18,000 years ago, Sahul began to be partially submerged. Sea levels kept rising until roughly 5000 BCE.
- After leaving Africa, early human migrations began in Sahul and Sunda. According to recent study, hundreds of individuals traveled in groups on bamboo rafts and eventually settled on Sahul.
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Answer:
Mendicant, member of any of several Roman Catholic religious orders who assumes a vow of poverty and supports himself or herself by work and charitable contributions. The mendicant orders surviving today are the four recognized by the Second Council of Lyon (1274): Dominicans, Franciscans, Augustinians (Augustinian Hermits), and Carmelites, as well as Trinitarians, Mercedarians, Servites, Minims, Hospitallers of St. John of God, and the Teutonic Order.
Explanation: Britannica
Answer:
c. Cardiac muscle contains bands like skeletal muscle, but its contractions are involuntary like smooth muscle.
Explanation:
In Human anatomy, cardiac cycle can be defined as a complete heartbeat of the human heart which comprises of sequential alternating contraction and relaxation of the atria and ventricles, therefore causing blood to flow unidirectionally (one direction) throughout the human body.
Cardiac muscle is also referred to as myocardium and it's one of the three (3) muscles found only in the heart of vertebrates, the other two (2) being smooth muscle tissue and skeletal muscle tissue.
Cardiac muscle contains bands like skeletal muscle referred to as sarcomeres (contractile units), but its contractions are involuntary like smooth muscle and it's typically being regulated by the sinoatrial node of the heart.
