Eccentricity is a measure of how 'out of round' an ellipse is. If the eccentricity is zero, it is not squashed at all and so remains a circle. If it is 1, it is completely squashed and looks like a line. Hope this helps. Have a nice day. Feel free to ask more questions.
It is semi permeable allowing certain adams to cross through and to their cells.
<span>The nurse should include a list of the amount of sodium in commonly eaten foods, like canned and frozen foods. They should emphasize these foods are high in salt and include a copy of the FAST diet meal plan.</span>
Answer: Water is drawn in through small openings on a sponge's body called OSTIA.
The supportive skeleton of a sponge contains SPICULES which provide protection from predators.
Explanation:
Sponges refer to any of the aquatic animals of the phyllum porifera which is normally characterized with porous structures and has horn-like calcareous internal framework.
Sponges usually have multiple pores called "OSTIA" on their bodies that allow water to enter them.
Most sponges are sessile and because of this, they can't run away from predators. They usually have sharp "SPICULES" which are part of their skeleton that provide them some certain degree of defense. Apart from this, they also produce toxins which poisons predators that attempt to consume them
