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PROTOZOA
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∙ 10y ago
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Which phylum contains the simplest animals?
The phylum Porifera contains the simplest animals, known as sponges. Sponges lack tissues and organs, and their body structure is very basic compared to other animal phyla.
What are the simplest animals to possess a complete digestive system?
Phylum Numertea....like ribbon worms
Simplest kind of invertebrates?
The simplest kind of invertebrates would be sea sponges. They are part of the phylum Porifera and are the only animals that do not have a nervous system at all.
What phylum do animals with a backbone belong to?
Animals with a backbone belong to the phylum Chordata. This phylum includes vertebrates such as fish, amphibians, reptiles, birds, and mammals, which all possess a notochord or backbone at some stage in their development.
What is the phylum of sessile animals?
The phylum of sessile animals is Porifera, which includes organisms such as sponges. Sessile animals are ones that are permanently attached to a surface and do not move around freely.
Is a slug a sponge?
No. Sponges are the simplest animals and they are aquatic and sessile (attached to a substrate). A slug is in the Phylum Mollusca in the Class Gastropoda.
What is phylum and what is sub phylum?
A phylum is a group of animals that are directly drawn from a kingdom. A sub-phylum is a phylum that is slightly more accurate for a group of animals but is not a class.
What is the meaning of sub phylum and phylum?
A phylum is a group of animals that are directly drawn from a kingdom. A sub-phylum is a phylum that is slightly more accurate for a group of animals but is not a class.
What are three types of animals that belong in phylum?
Three types of animals that belong in the phylum Chordata are mammals (e.g., humans, dogs), birds (e.g., eagles, robins), and fish (e.g., salmon, goldfish).
Do worms have two brains?
Segmented Worms (Phylum Annelida) have two cerebral ganglia which are considered primitive brains. They are the simplest animals with this characteristic.
Is a coral a poriferan?
Corals are animals of the phylum Cnidaria, whereas:-Sponges are animals of the phylum Porifera.
What are some animals in the phylum arthropods?
Some animals in phylum arthropods is a spider, centipedes or crabs.
