Answer:
well theory is ranked second highest in certainty in scientific nomenclature. theory dictates it is more certain of a principle than a hypothesis yet not concrete enough to be a law. examples are the theory of evolution versus the law of gravity
Answer:
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Complete question:
Which correctly describes the set of clades that contain the arthropods, from largest to smallest?
- Archaea: Eukaryotes: Opisthokonts: Animals: Protostomes Ecdysozoa: Arthropods
- Eukaryotes: Opisthokonts: Nuclearia: Animals: Protostomes Ecdysozoa: Arthropods
- Eukaryotes: Opisthokonts: Animals: Deuterostomes Ecdysozoa: Arthropods
- Eukaryotes: Opisthokonts: Animals: Protostomes: Ecdysozoa: Arthropods
Answer:
4. Eukaryotes: Opisthokonts: Animals: Protostomes: Ecdysozoa: Arthropods
Explanation:
Taxonomy is the study of different organisms, their classification into categories according to their morphological and molecular characteristics and their evolutionary relationships, and assigning to each them a binomial name.
- The eukarya domain is composed of all the unicellular or pluricellular organisms that have eukaryotic cells that characterize by having a well-defined nucleus surrounded by a complex biological membrane. They also present organelles delimitated by membranes. These organisms reproduce asexually and sexually.
- Animalia Kingdom: Includes different phyla closely relates.
- The embryonary development of bilateral coelom animals makes a place for the division of two groups: protostomes and deuterostomes. Among protostomes might be mentioned the flatworms, annelids, mollusks, and arthropods. Protostomes show spiral initial segmentation, and the mouth develops as a first opening near the blastopore.
- Ecdysozoan Superphylum: Their bodies are covered by a cuticle that provides protection. They have a complete digestive system. They might reproduce sexually and asexually.
- Phylum Arthropoda: Invertebrates characterized for having an exoskeleton, a segmented body, and articulated appendixes. A very diverse group with many different characteristics.
Meteoroids are incredibly tiny, stony bodies that revolve around the sun. As with planets, asteroids, and comets, rocks or iron chunks called meteoroids orbit the sun.
As a meteoroid enters the atmosphere, friction warms it up, producing a brilliant trail of hot ionized gases (plasma) known as a meteor. If the item survives both its entry into the atmosphere and its landing on the ground, it is referred to as a meteorite. Asteroid pieces make up more than 99 percent of meteorites. A tiny group is known to have come from the moon, and another group is widely believed to have originated on Mars. Although it hasn't been proven conclusively, there is also grounds to think that some are pieces of comets rocky debris.
Learn more about Meteoroids
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