Our previous work has demonstrated that precompetent
sand dollar larvae (for definitions, see Hodin et ah, 2015, 2018a) become competent to settle when exposed to 3 minutes of intense fluid turbulence.
According to legend, she explained, the
sand dollar is also called the Holy Ghost Shell and is said to tell the story of the birth, crucifixion and resurrection of Christ.
The low abundance of the
sand dollar during the rainy seasons, and its slight increment in dry seasons cores (Figs.
Industrious triggers repeated the action until the
sand dollar landed in the right position.
The
sand dollar echinoid Periarchus lyelli (Conrad) is a distinctive and well-known element of the fauna of Upper Eocene (Jackson) marls and limestones across the eastern Gulf of Mexico and lower Atlantic coastal plain.
There's a PADI (Professional Association Of Diving Instructors) resort - the
Sand Dollar - which has a range of courses, including boat-dive packages of five days at pounds 211pp or Open Water course at pounds 254pp.
Martin describes Cover Girl NailSlicks as an "easy, breezy manicure in one step." Shades include classic red, pink bliss, plum frost and
sand dollar.
The Chumash Indians saw a connection between lines radiating from a
sand dollar's mouth and the Sun's rays.
For a more varied experience, the
Sand Dollar Beach Resort (85 rooms) features a week-long adventure package that includes nature tours, snorkeling, diving, mountain biking and an unforgettable kayak tour of the island's extensive mangrove forests.
"A
sand dollar! I've never beena ble to find a
sand dollar."
Key words.--Anatomy, apical system, clypeasteroid, Dendrasteridae, development, eccentricity, echinoid, evolution, periproct, peristome,
sand dollar.
We describe the induction of polyembryony in embryos of the
sand dollar Echinarachnius parma and the pencil urchin Eucidaris tribuloides in response to elevated temperature and reduced salinity.