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A spongivore is an animal anatomically and physiologically adapted to eating animals of the phylum Porifera, commonly called sea sponges, for the main component of its diet. As a result of their diet, spongivore animals like the hawksbill turtle have developed sharp, narrow bird-like beak that allows them to reach within crevices on the reef to ...
Included are the yellow tube sponge, Aplysina fistularis, the purple vase sponge, Niphates digitalis, the red encrusting sponge, Spirastrella coccinea, and the gray rope sponge, Callyspongia sp. Sponges are similar to other animals in that they are multicellular , heterotrophic , lack cell walls and produce sperm cells .
Muttonbird or mutton bird may refer to species of petrel, especially shearwaters, whose young are harvested for food and other uses before they fledge in Australia and New Zealand. The English term "muttonbird" originally emerged among settlers on Norfolk Island as the strong taste and fattiness of these birds' meat was likened to mutton.
The Arctic tern has the longest migration journey of any bird: it flies from its Arctic breeding grounds to the Antarctic and back again each year, a distance of at least 19,000 km (12,000 mi), giving it two summers every year. [19] Bird migration is controlled primarily by day length, signalled by hormonal changes in the bird's body. [20]
The sponges are inserted into the vagina in much the same way a tampon is, but when full are removed, cleaned, and reused, rather than discarded. The advantages of a reusable tampon alternative include cost-effectiveness and waste reduction. (Since sponges are biodegradable, even when a menstrual sponge's absorbent life is over it can be ...
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A 1937 study recorded about 8,700 Attwater's prairie-chickens remaining in four Texas counties. Attwater's prairie-chicken has been on the endangered species list since March 1967 when an estimated 1,070 birds were left in the wild. [11] By 2003, fewer than 50 birds remained in the wild.
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