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How do sponges carry out essential body functions?
Sponges carry out essential body functions through simple diffusion. They do not have a circulatory, respiratory, or digestive system. Nutrients and oxygen diffuse directly into their cells from the surrounding water, and waste products are expelled in the same way.
What are the functions of spicules in sponges?
Spicules provide structural support.
How does the grantia sponge breathe?
SPonges have no respiratory or excretory organs; these functions are preformed by diffusion.
What are the two main functions of spikes on sponges?
To protect the sponge's body.
What level of organization are missing in sponges?
sponges have cellular level organisation meaning that their cells are specialized so that different cells perform different functions
How do sponges diget their food?
Sponges are made of several cell types that each have certain functions. The ameobacyte (or ameoba-type cell) digests food that is driven to it by the collar cells, which each possess a flagellum
Sponges are said to be at the what level of organization?
Sponges are at the tissue level of organization. They lack organs and organ systems, instead having specialized cells grouped together to perform specific functions.
What is the phylum of amebocytes?
Amebocytes belong to the phylum Porifera, which includes sponges. Amebocytes are a type of cell found in the body of sponges, responsible for various functions such as nutrient transport, digestion, and structural support within the organism.
Which animal phylum has the lowest structural organisazation?
The phylum Porifera, which includes sponges, has the lowest structural organization among animal phyla. Sponges lack true tissues and organs, instead consisting of loosely organized cell layers that perform basic functions like feeding and reproduction.
Do sponges have germ layers?
No, sponges do not have germ layers like other animals. They are simple multicellular organisms with a loose grouping of cells that perform various functions, but they do not have the distinct germ layers found in more complex animals.
What kind of special traits do sponges have?
Sponges have unique cellular structures that allow them to filter feed by pumping water through their bodies. They can regenerate from small pieces of tissue, making them resilient to damage. Sponges also have a simple body plan with specialized cells that can perform different functions, such as capturing food or secreting skeletal elements.
What are different animals in the sponge group?
Animals in the sponge group, known as phylum Porifera, include various species of sponges such as sea sponges, glass sponges, and demosponges. These animals are multicellular but lack true tissues and organs, with specialized cells performing different functions within their bodies. Sponges are filter feeders that live in aquatic environments, ranging from freshwater to marine habitats.
