NEET Biology Evolution : Multiple Choice Previous Years Questions MCQs 2

TL;DR

The most significant trend in the evolution of modern man is the increasing brain capacity, which has grown from 700 CC in Homo habilis to over 1600 CC in Homo sapiens.

Transcript

he'll open this video on eat evolution is brought to you by vampire calm normal fear from a questionable file what was the most significant trend in the evolution of modern man Homo sapiens promised ancestors so if you look at the entire evolution of modern man you you would see that there are not changes which has taken place over a period of time... Read More

Key Insights

• 💅 The increasing brain capacity is the most significant trend in the evolution of modern man.
• 🥺 Neanderthal man suffered from iodine deficiency in their diet, leading to skeletal deformities and their eventual disappearance.
• 🍻 Parrypatterns serves as a connecting link between annelids and arthropods due to its combination of animal-like and arthropod-like characteristics.

Questions & Answers

Q: What was the most significant trend in the evolution of modern man?

The most significant trend in the evolution of modern man is the increasing brain capacity. This trend is evident from the brain capacity of Homo habilis, the first form of man, which was around 700 CC, to the brain capacity of Homo sapiens, which is over 1600 CC.

Q: Why did Neanderthal man not live for a long time?

Neanderthal man suffered from a disorder called threatened ISM, which caused skeletal deformities. This disorder was caused by a deficiency of iodine in their diet, leading to their eventual disappearance.

Q: What is Parrypatterns and why is it a connecting link between annelids and arthropods?

Parrypatterns is a living fossil that displays characteristics of both annelids and arthropods. It has features similar to animals, such as unjointed legs and an excretory organ, as well as arthropods, such as claws and a dorsal tubular heart. This makes it a connecting link between the two groups.

Q: What is the significance of Darwin's finches in the Galapagos Islands?

Darwin's finches in the Galapagos Islands are an example of adaptive radiation. From a few finches that initially arrived on the islands, small changes occurred over time for their survival, leading to the evolution of about 320 different species of finches.

Summary & Key Takeaways

• The increasing brain capacity is the most significant trend in the evolution of modern man.

• Homo habilis, the first form of man, had a brain capacity of around 700 CC, while Homo sapiens have a brain capacity of over 1600 CC.

• Neanderthal man lived 100,000 to 40,000 years ago and had short stature, heavy eyebrows, large jaws, and skeletal deformities due to iodine deficiency in their diet.

• Parrypatterns is a living fossil that serves as a connecting link between annelids and arthropods.

• Darwin's finches in the Galapagos Islands are an example of adaptive radiation, where one species evolved into 320 different species.