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Planarians move by expanding and contracting their bodies as they grip a surface.

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14y ago

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Are planarians a non-parasitic flatworm?

yes planarians are nonparasitic flatworms because of their internial organs off matter , and also they move in a consecutive motion


Are planarians symetrical?

Planarians have bilateral symmetry.


Do the plan-aria move toward or away from light?

Planarians exhibit a fairly strong negative geo-tropism and would move away from light.


Why are planarians known as scavengers?

because they move around very quick and trap their food and scavenge for bacteria and food.


5 characteristics of planarians that make it an animal?

Planarians are multicellular organisms with specialized cells and tissues. They have a defined body plan with distinct organs and structures. Planarians exhibit movement and respond to external stimuli. They consume food and have a digestive system. Planarians can reproduce sexually or asexually, exhibiting typical animal reproductive capabilities.


Planarians are parasitic segmented worms?

Planarians are neither parasitic or segmented. They are flatworms.


Are planarians non parasitic flatworms?

Yes, planarians are non-parasitic flatworms


What are structures that enable planarians to expel liquid waste?

The structures that enable planarians to expel liquid waste are normally pores. The pores are found on the dorsal surface of the planarians.


What phylum contains planarians?

Platyhelminthes


Are planarians herbivores?

Yes


Do Planarians have a scientific name?

Yes, all organisms have scientific names. Thus planarians have scientific names too.


How does a planarians response to light relate to survival?

Planarians exhibit a behavior known as phototaxis, where they move away from light sources. This response is critical for their survival as it helps them avoid potential predators and harsh environmental conditions associated with bright light. By seeking dark, moist environments, planarians can maintain their habitat, conserve moisture, and enhance their chances of survival and reproduction. This adaptive behavior underscores the importance of sensory responses in the evolutionary success of organisms.