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What features distinguish annelids from roundworms?
There's many of them, but here are some of the bigger ones; Annelids, unlike roundworms (or flatworms for that matter) are segmented. That is after all how they get their name (annelida = little ring). Annelids also have a very complex organ system. Roundworms only possess a reproduction system as they usually live in an organism's intestines and don't need to digest food. Annelids posses both a reproduction system, and a digestive system as well as a circulatory system. As they are true coelomates their organs and organ systems are organised rather than just kinda' being tossed in there. =)
Which group of organ systems is organized from the most complex to least complex?
The group of organ systems organized from most complex to least complex typically starts with the nervous system, then the circulatory system, followed by the respiratory, digestive, excretory, endocrine, and finally the integumentary system.
What the correct relationships from LEAST complex to MOST complex?
The correct relationships from least complex to most complex are: atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, biosphere.
What is more complex organism or organ system?
An organ system is more complex than an organism. An organism is a single living being made up of various organ systems working together to maintain life. Organ systems consist of multiple organs and tissues that have specialized functions and work together to support the overall function of the organism.
What are the levels of organization from most complex to least complex?
The levels of organization from most complex to least complex are: organism, organ system, organ, tissue, and cell. Organisms are made up of organ systems, which are made up of organs, which are made up of tissues, and tissues consist of cells.
How are earthworms and ascaris similar?
Annelids are segmented whereas roundworms are not. Annelids have a true coelom while roundworms have a pseudocoelom. Annelids have a more complex nervous system than roundworms. Annelids have a more complex circulatory system than roundworms.
What features distinguish annelids from roundworms?
There's many of them, but here are some of the bigger ones; Annelids, unlike roundworms (or flatworms for that matter) are segmented. That is after all how they get their name (annelida = little ring). Annelids also have a very complex organ system. Roundworms only possess a reproduction system as they usually live in an organism's intestines and don't need to digest food. Annelids posses both a reproduction system, and a digestive system as well as a circulatory system. As they are true coelomates their organs and organ systems are organised rather than just kinda' being tossed in there. =)
What structures is the most complex is it the cell or organ system or organ or tissue?
organ system
How organ systems is most complex and fragile?
Organ systems are most complex and fragile starting with the atoms. The most complex organ systems is the organism. In between are the molecules, cell, tissue, organ, and organ system.
Which group of organ systems is organized from the most complex to least complex?
The group of organ systems organized from most complex to least complex typically starts with the nervous system, then the circulatory system, followed by the respiratory, digestive, excretory, endocrine, and finally the integumentary system.
Is a organ more complex than a organ system?
The level of organization more complex than a system is the organism. The organism is made up of multiple organ systems working together.
What is the main excretory organ of annelids?
nephridia is the main excretory organ of annelida
Annelids are the first of the animal phyla studied to have what general characteristic?
Annelids are the first animal phyla to have a true body cavity (coelom), which is enclosed by mesoderm. This cavity enables more complex organ systems and allows for greater specialization of body functions.
What is the eukaryote lacking complex organ system?
protist
Are annelids circulatory system?
Annelids have a closed circulatory system.
What the correct relationships from LEAST complex to MOST complex?
The correct relationships from least complex to most complex are: atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, biosphere.
What is correct order of levels of organization in an organism from the most complex to the most complex?
atoms and molecules --> cell --> tissue --> organ --> organ system --> organism
