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What are five characteristics of cnidarians?
1) cnidarians have bilateral symmetry, 2) there are 2 different forms(dimorphism) , a medusa and a polyp, 3) reproduction is asexual or sexual. 4) they have cnidoblasts, special cells that contain nematocysts, the cells that sting, and 5) they have an internal cavity, and a mouth where food comes in and out. digestion is extracellular.
What animals are Cnidarians?
Jellyfish
What do cnidarians look like?
cnidarians are animals that look like plants and are found at the bottom of the ocean. they have tentacles that can sting you if you touch them
What is the skeleton found in cnidarians and earthworms?
that they're richer and the cook is basically a gratified slave
The two common forms of friction between two sliding surfaces presented in this course are?
Friction refers to the resistance that one surface or object encounters when moving over another. The two common forms of friction between two sliding surfaces are static friction and rolling friction.
What body systems do cnidarians have?
The body systems that cnidarians have take two forms. The main body forms are medusa and polyp. Cnidarians do not have a transport system and the body surface is used for gaseous exchange.
What are two forms of shape within cnidarians?
poly and medusa
Two main forms of life for the cnidarians?
Polyps, which are Sessile or stationary, and Medusa which move.
What are two forms of cnidrians?
The two forms of Cnidarians are the Medusoid or mobile form (e.g. Hydra), and the Polyp or sessile form (e.g. Aurelia).
What are two types of cnidarians that are formed by colonies?
small cnidarians and big cnidarians
What are the two body forms of cnidarians?
The two body forms of cnidarians are the polyp and the medusa. Polyps are typically sessile, tube-shaped organisms attached to a substrate, while medusae are free-swimming, umbrella-shaped organisms.
What is the attached body form of cnidarions?
Cnidarians, which include jellyfish, corals, and sea anemones, exhibit two primary body forms: the polyp and the medusa. The polyp is a sessile, cylindrical form that attaches to a substrate, while the medusa is a free-swimming, bell-shaped form. Both forms have a gastrovascular cavity for digestion and specialized cells called cnidocytes that contain stinging structures. The life cycle of many cnidarians involves a transition between these two forms.
What happens after a bud forms on an organisms?
Organisms such as cnidarians, sponges and some fungi can reproduce .
What are the names of the two types of true tissue found in the cnidarians?
The two types of true tissue found in cnidarians are the epidermis and the gastrodermis.
What are two stages of cnidarians?
Polyp and medusa are two stages in life cycle of cnidarians , polyp is hydra like and medusa is jelly fish like .
How did polymorphism in cnidarians influence adaptive radiation of the group?
Polymorphism in cnidarians, such as having different body forms like medusae and polyps, allowed for niche differentiation and exploitation. This increased the ecological diversity within the group, facilitating adaptive radiation into various habitats and lifestyles. These different forms allowed cnidarians to occupy different ecological niches, promoting speciation and diversification.
What are the Two general types of the cnidarians?
polyp and medusa
