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Which invertebrate animals have bodies shaped like a sack with openings at the top - sponges or cnidarians?
Cnidarians.
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
Can cnidarians breathe?
they have a mouth just like us, that is what helps them to breathe, but they cant breathe if they are out of water unless they are land animals, which most of them probably arent/
Are cnidarians warm-blooded?
No. Cnidarians don't even have a circulatory system.
Why do soft animals like sponges and cnidarians not live on land?
Soft animals like sponges and cnidarians lack the structural support necessary to withstand the forces of gravity and desiccation on land. Their bodies are primarily composed of water, making them vulnerable to drying out in terrestrial environments. Additionally, these organisms rely on a buoyant aquatic habitat for feeding and reproduction, which would be unfeasible in a terrestrial setting. Consequently, their physiological adaptations are suited for life in water, limiting their survival on land.
Is coral an example of a sponge?
No..it's a cnidarians (coelenterates) CNIDARIANS-aquatic animals with soft bodies shaped like a vase, a bell or an umbrella
What is the most common behavior in animals like cnidarians and worms?
Group Behavior
What is the function of Mesoglea?
In aquatic animals like cnidarians : mesogles helps in maintenance of buoyancy and transparency
What is the most common form of behavior in simple in animals like cnidarians and worms?
instinctive behavior
What is the most common form of behavior and simple animals like cnidarians and worms?
instinctive behavior
What is the most common form of behavior in simple animals like cnidarians worms?
instinctive behavior
Cnidarians such as jellyfish have radial symmetry. How are the body parts of cnidarians arranged?
like spokes on a wheel
