some of the special structures in the members of these phylum as follows:
Members of porifera are sponges. they have collar cells and cellular -level body organization. Cnidarian have stinging cells present on the tentacles around the mouth. Ctenophorans have comb-like plate cells for swimming. Platyhelminthes - members are first to have sensory and nervous tissue in the head region.
The Moon is the only natural satellite of the Earth. With an equatorial diameter of 3476 km, it is the fifth largest satellite in the solar system, while in terms of proportional size with respect to its planet it is the largest satellite: a quarter of the diameter of the Earth and 1/81 of its mass. I hope I have helped you and if you do not forgive
Answer:
the second one i couldn't find online (about rabbits)
Answer:
Explanation:
A star is born when atoms of light elements are squeezed under enough pressure for their nuclei to undergo fusion. Once the fusion reactions begin, they exert an outward pressure.
As long as the inward force of gravity and the outward force generated by the fusion reactions are equal, the star remains stable.
D) Exercise is the answer
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