Sunđeri
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Sunđeri
Sundjeri su najjednostavnije životinje koje upoznajemo. Žive samo u vodi. Najviše ih ima u moru, ali ima i predstavnika koji žive u slatkim vodama.
2016年10月7日
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SOLVED: This drawing shows the internal anatomy of a sponge.What does the arrow in the middle represent?A. the direction of the sponge's travel through the waterB. the path sperm take to fertilize the egg of a spongeC. the flow of water through the body of a spongeD. the path food takes through the digestive system of a sponge
SOLVED: This drawing shows the internal anatomy of a sponge.What does the arrow in the middle represent?A. the direction of the sponge's travel through the waterB. the path sperm take to fertilize the egg of a spongeC. the flow of water through the body of a spongeD. the path food takes through the digestive system of a sponge
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