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What are 2 characteristics of sea sponges?
1. Reproduce 2. Have sproes
What characteristics does the sea sponge have that places it into the Porifera phylum?
Sponges have pores and are filter feeders
What makes sponges animals and not plants?
Sponges are heterotrophic, which is a characteristic of an animal and not a plant. Sponges are also multicellular, are made up from cells without cell walls, characteristics of the kingdom Animalia and NOT Plante.
What are four characteristics shared by sponges and humans?
Both humans and sponges are made of millions of cells, both need oxygen to survive, both need water and both produce waste products.
What are the three classes of sponge skeleton's?
The three classes of sponge skeletons are siliceous or glass sponges (Class Hexactinellida), calcareous sponges (Class Calcarea), and sponges with a fibrous protein skeleton (Class Demospongiae). Each class has unique structural characteristics that support the sponge's body.
What is a sponge (its characteristics)?
Some characteristics of sponges are that they are invertebrate animals. They normally are asymmetrical. They never have tissues or organs. They feed through filter feeding. They reproduce asexually and sexually.
Why did early naturalists mistake sponges for plants instead of animals?
Early naturalists mistakenly classified sponges as plants instead of animals because sponges lack typical animal characteristics such as organs, tissues, and mobility. Additionally, sponges were often found attached to rocks or other surfaces, resembling plants rooted in the ground. This led to the initial confusion in classification.
Why were sponges once thought to be plants?
Sponges were once thought to be plants because they exhibit some plant-like characteristics, such as their stationary nature and lack of obvious sensory organs. Additionally, they can resemble certain aquatic plants in appearance.
Are sea sponges decomposers?
No, sea sponges are not decomposers. Sponges are filter feeders.
What four characteristics are shared by both sponges and human?
Both humans and sponges are made of millions of cells, both need oxygen to survive, both need water and both produce waste products.
Do sponges have unicellular in them?
no sponges are not unicellular.
Are sponges parasitic?
No, sponges are not parasitic.
