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Annelids, or segmented worms, exhibit several key evolutionary advancements, including segmentation, which allows for greater mobility and flexibility. Their body plan features a coelom, or body cavity, providing space for the development of complex organs and facilitating more efficient movement and organ function. Additionally, annelids possess a closed circulatory system, enhancing the transport of nutrients and oxygen, and exhibit a more advanced nervous system with a brain and ventral nerve cord. These adaptations have contributed to their ecological success and diversity.
What else can I help you with?
Why is segmentation an important evolutionary step for annelida?
Segmentation is an advantage for annelid worms because it is accompanied by the duplication of some internal organs.
What phylum are leeches in?
Leeches belong to the phylum Annelida, which includes segmented worms such as earthworms and polychaetes.
What phylum and class do earthworms belong to?
The earthworms belong to the phylum Annelida. Phylum Annelida's members are called Annelids.
What is a leech's phylum?
A leech belongs to the phylum Annelida, which includes segmented worms.
Where does phylum annelida get its name?
from the latin word annelida. cynthia colon.
What is the evolutionary ladder?
The concept of an evolutionary ladder is outdated in modern evolutionary theory. Evolution does not follow a linear progression towards complexity or advancement. Instead, it is about adapting to environmental changes over time. Each species is uniquely adapted to its own niche, with no inherent hierarchy.
Of what phylum are earthworms a member?
Earthworms belong to the phylum Annelida.
What phylum are segmented worms part of?
The phylum that includes segmented worms is known as Annelida. These phylum is believed to have over 17,000 species of different organisms.
What evolutionary advancement does the operculum provide?
The operculum assists in protecting the gills of fish and regulating water flow for respiration. This evolutionary adaptation allows for better oxygen exchange and helps prevent debris or predators from entering the gills.
What phylum is a earth worm?
annelida aka annelids. it shares this phylum with leeches
What is the phylum name for an eathworm?
Earthworms are part of the Phylum Annelida.
What are three examples from the phylum annelida?
The three examples of phylum annelida are earthworm,leech and whatever............
