Does Cnidaria have canal system?

Does Cnidaria have canal system? Phylum Cnidaria In both the polyp and the medusa form, they lack specialized internal organs for excretion, circulation, and respiration. In the medusa, however, the manubrium and radial canals form a gastrovascular system. The manubrium hangs from within the subumbrellar cavity and is where the mouth is located. Do cnidarians […]

What is an orthographic language?

What is an orthographic language? An orthography is a system of visually representing a language. In essence, it’s a written language. A written language that uses symbols for entire words is called a logographic orthography. One that uses symbols for syllabic sounds has a syllabic orthography. What is orthographic in reading? Definition. Orthographic reading skills […]

Can dragonfly eat fish?

Can dragonfly eat fish? 4 ) In their larval stage, which can last up to two years, dragonflies are aquatic and eat just about anything—tadpoles, mosquitoes, fish, other insect larvae and even each other. Do dragonfly larvae eat small fish? Just like their parents, the larvae are fully carnivorous. They are fierce predators of any […]

Can you loop speaker wire?

Can you loop speaker wire? The usual cure is to loop each speaker wire through a ferrite core (“donut”), which you place very close to the amp output connection. This introduces a high impedance at RF frequencies, keeping the RF from getting to the final stage semiconductors, while having no effect at audio frequencies. Will […]

Which substances was the dialysis tubing impermeable?

Which substances was the dialysis tubing impermeable? Iodine was permeable because it crossed the dialysis tubing and reacted with the starch, turning it purple/black. The starch was impermeable because it would have reacted with the iodine in the water outside the dialysis tubing if it was permeable. 2. Does protein diffuse through dialysis tubing? Selectively […]

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