Which one of the following are on the same line of evolution?a)Triceratops, Tyrannosaurus, Stegosaurus.b)Brachiosaurus, Tyrannosaurus, Stegosaurus.c)Archaeopteryx, Crocodilian, Pteranodon.d)Brachiosaurus, Archaeopteryx, Stegosaurus.Correct answer is option 'C'. Can you explain this answer?

Question

Answer

The organisms in option c are more closely related in terms of their evolution. Archaeopteryx is considered to be one of the first birds and shares several features with reptiles, particularly dinosaurs. Crocodilians are also reptiles, and their lineage goes back to the time of dinosaurs. Pteranodon is a type of pterosaur, which falls under the archosaur clade along with dinosaurs, and is a close relative to both dinosaurs and modern-day birds.

In the other options, the organisms belong to different groups of dinosaurs or are not as closely related in terms of their evolutionary lineages. For example, in options a, b, and d, the organisms are a mix of different types of dinosaurs (such as sauropods, theropods, and ornithischians), which are not closely related in terms of their direct evolutionary lines.

Answer

Answer

Same Line of Evolution

Explanation:

In order to determine which organisms are on the same line of evolution, we need to look at their characteristics and evolutionary relationships.

Option A: Triceratops, Tyrannosaurus, Stegosaurus
- Triceratops, Tyrannosaurus, and Stegosaurus are all dinosaurs.
- However, they belong to different groups and have distinct evolutionary lineages.
- Triceratops and Tyrannosaurus belong to the group of horned dinosaurs (ceratopsians) and theropod dinosaurs, respectively.
- Stegosaurus belongs to the group of armored dinosaurs (stegosaurs).
- Therefore, option A is not correct.

Option B: Brachiosaurus, Tyrannosaurus, Stegosaurus
- Brachiosaurus, Tyrannosaurus, and Stegosaurus are all dinosaurs.
- However, they belong to different groups and have distinct evolutionary lineages.
- Brachiosaurus belongs to the group of long-necked dinosaurs (sauropods).
- Tyrannosaurus belongs to the group of theropod dinosaurs.
- Stegosaurus belongs to the group of armored dinosaurs (stegosaurs).
- Therefore, option B is not correct.

Option C: Archaeopteryx, Crocodilian, Pteranodon
- Archaeopteryx, Crocodilian (crocodile), and Pteranodon are all reptiles.
- Archaeopteryx is considered a transitional fossil between reptiles and birds.
- Crocodilians are a group of reptiles that includes crocodiles, alligators, and caimans.
- Pteranodon is a genus of flying reptiles, specifically a type of pterosaur.
- Although they belong to different groups within reptiles, Archaeopteryx, Crocodilian, and Pteranodon are all part of the same line of evolution where reptiles evolved into different forms, including birds (represented by Archaeopteryx) and flying reptiles (represented by Pteranodon).
- Therefore, option C is correct.

Option D: Brachiosaurus, Archaeopteryx, Stegosaurus
- Brachiosaurus, Archaeopteryx, and Stegosaurus are all dinosaurs.
- However, they belong to different groups and have distinct evolutionary lineages.
- Brachiosaurus belongs to the group of long-necked dinosaurs (sauropods).
- Archaeopteryx is considered a transitional fossil between reptiles and birds.
- Stegosaurus belongs to the group of armored dinosaurs (stegosaurs).
- Therefore, option D is not correct.

To summarize, the correct option is C) Archaeopteryx, Crocodilian, Pteranodon, as they represent different forms within the reptile group and are part of the same line of evolution.

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