which of the following phyla is thought to have evolved first a chordata fish frogs snakes birds

Name: which of the following phyla is thought to have evolved first a chordata fish frogs snakes birds humans etc b arthropoda insects spiders crustaceans etc c mollusca clams snails squids etc d 17758
Uploaded: 2023-08-16T13:24:11-08:00
Duration: 1 min 41 s
Channel: Madhur L
Description: which of the following phyla is thought to have evolved first a chordata fish frogs snakes birds humans etc b arthropoda insects spiders crustaceans etc c mollusca clams snails squids etc d 17758

Question

Khalida Dawar · Accepted Answer

First, we can eliminate Chordata (Option A) because it includes more complex organisms like huma

Question

Which of the following phyla is thought to have evolved first? A. Chordata (fish, frogs, snakes, birds, humans, etc.) B. Arthropoda (insects, spiders, crustaceans, etc.) C. Mollusca (clams, snails, squids, etc.) D. Echinodermata (starfish, urchins, sea cucumbers)

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