Which among the following was the biggest land dinosaur?
- Brachiosaurus
- Triceratops
- Stegosaurus
- Tyrannosaurusrex
The Correct Option is D
Approach Solution - 1
Of the dinosaurs listed below, Tyrannosaurus rex was the largest terrestrial dinosaur. The biggest known fossil specimen of this species reaches approximately $42$ feet in length and is estimated to have weighed between $14$ and $15$ metric tons.
The Stegosaurus, a plant-eating dinosaur, typically measured from $23$ to $40$ feet long, with an average weight ranging from $5$ to $7$ metric tons.
Another herbivorous dinosaur, the Triceratops, had a body length varying between $26$ and $30$ feet, while its weight could range from $6$ to $12$ metric tons.
Approach Solution -2
Tyrannosaurus rex was the largest land-dwelling dinosaur. The largest known fossil of this species measures about \(42\) feet in length and is estimated to have weighed between \(14\) and \(15\) metric tons.
The herbivorous Stegosaurus typically ranged in length from \(23\) to \(40\) feet, with an average weight of \(5\) to \(7\) metric tons.
Another plant-eating dinosaur, the Triceratops, had a body length between \(26\) and \(30\) feet, and its weight ranged from \(6\) to \(12\) metric tons.
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Concepts Used:
Evolution
Evolution is a process that occurs in changes in the genetic content of a population over time. Evolutionary change is generally classified into two: microevolution and macroevolution. The process of changes in allele frequencies in a population over time is a microevolutionary process. Three main mechanisms that cause allele frequency change are natural selection, genetic drift, and gene flow. On the other hand, macroevolution refers to change at or above the level of the species.