inverted-typo:This is actually a test showing how sponges pump water through themselves for filter f

inverted-typo:This is actually a test showing how sponges pump water through themselves for filter f
inverted-typo:This is actually a test showing how sponges pump water through themselves for filter f
inverted-typo:This is actually a test showing how sponges pump water through themselves for filter f
inverted-typo:This is actually a test showing how sponges pump water through themselves for filter f
inverted-typo:This is actually a test showing how sponges pump water through themselves for filter f
inverted-typo:This is actually a test showing how sponges pump water through themselves for filter f
inverted-typo:This is actually a test showing how sponges pump water through themselves for filter f
inverted-typo:This is actually a test showing how sponges pump water through themselves for filter f

inverted-typo:This is actually a test showing how sponges pump water through themselves for filter feeding!They simply colored the water around them so you could easily see the process :D -- source link

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