a butterfly and an octopus do not have Carnegie stages of development, while elephants and turtles do.
The development of the vertebrate embryo is the only one that uses the Carnegie stages of development.There are 23 stages of embryonic development in the Carnegie stages system, which are identified by different ages, sizes, and morphologic characteristics of an organism. The unicellular embryo is a part of Carnegie Stage 1, which is broken down into three substages: a, b, and c. The unicellular embryo, which has unique genetic material and is a single-cell human being that grows into all later stages of a human being, is part of Carnegie Stage 1.These three substages comprise the main stage, which is connected to fertilisation. The earliest human embryo, designated as Carnegie Stage 1a, and the "zygote," designated as Carnegie Stage 1c.
Classify the organisms based on whether they follow the carnegie stages of development.
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