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AleksandrR [38]
2 years ago
6

The insect body plan includes many groups of serially repeated units. for example, there are typically three pairs of legs, one

on each of the three segments of the thorax. which option best describes how these pairs of legs develop and evolve?
Biology
1 answer:
Gala2k [10]2 years ago
8 0
Does Natural selection or evolution involve with this? it sounds like spiders and other Insects or bugs that have evolved to be able to have limbs in order to survive in a environments that would require extra limbs. probably from genes being passed on and also being mutated positively in order for the newer species to better adapt. the pair of legs could have been increased because of the environment that requires it and also as the mating changes it's basically survival of the fittest.
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List at LEAST two other examples of environmental conditions that could determine which traits are adaptive.
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The clade Ecdysozoa includes ________ phyla, of which you will be observing only two in this week's lab.
saul85 [17]

The clade Ecdysozoa includes <u>8</u> phyla, of which you will be observing only two in this week's lab.

<h3>What is Ecdysozoa?</h3>
  • Arthropoda (insects, chelicerata, crustaceans, and myriapods), Nematoda, and a few other minor phyla are all included in the group of protostome creatures known as Ecdysozoa (/kdsozo/).
  • Aguinaldo etal. provided the initial definition of them in 1997, largely based on phylogenetic trees generated with the use of 18S ribosomal RNA genes.
  • The Ecdysozoa were firmly supported as a clade in a sizable study conducted in 2008 by Dunn etal.
  • A clade is a group made up of all the descendants of a common ancestor.
  • All animals that grow by ecdysis, or moulting their cuticle, are included in this group, which is also supported by morphological characteristics.
<h3>What is phyla?</h3>
  • A phylum is a taxonomic rank or degree of classification in biology that comes before a kingdom and after a class (/falm/; plural: phyla).
  • Phylum and division are similar terms according to the International Code of Nomenclature for algae, fungus, and plants, but division has historically been used in botany instead of phylum.
  • Depending on definitions, there are between 31 and 14 phyla in the plant kingdom Plantae, 8 phyla in the fungus kingdom Fungi, and roughly 31 phyla in the animal kingdom Animalia.
  • The links between phyla, which are housed in more expansive clades like Ecdysozoa and Embryophyta, are currently being revealed via phylogenetic studies.

Learn more about phyla and Ecdysozoa here:

brainly.com/app/ask?q=+phyla+and+Ecdysozoa%2BVERIFIED+ANSWERS

#SPJ4

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