<span>Sweep prey organisms, along with some water, through the oral groove, and into the mouth opening. </span>
The seven continents and the oceanic plates
Answer:
The major glands of the endocrine system are the hypothalamus, pituitary, thyroid, parathyroids, adrenals, pineal body, and the reproductive organs (ovaries and testes). The pancreas is also a part of this system; it has a role in hormone production as well as in digestion.
Explanation:
Blue Carb which scientifically is known as “<span>Callinectes sapidus” is a type of vertebrates. </span>A possible reason for the fluctuation in their population can
be the eutrophic dead zones in the Chesapeake Bay which naturally cases low
levels of oxygen dissolving into the Bay leading to fluctuation of Blue crab
population.
<span>Another reason also can be the shorter
life span of blue crab, its average life span recorded is one to three years
which is very short in comparison to striped bass, although some blue crabs are
caught after being tagged at the age of 6 to 8 years as well.</span>
Answer:
The correct answer is internal and external signals regulate the progression of the cell cycle at various critical check points.
Explanation:
The cyclic event that helps to prepare the cell for division is termed as cell cycle.Cell cycle are regulated by various internal and external factors which regulates the passage of cell through various critical check point.
For example Maturation promoting factor helps in the progression of frog egg oocytes cells from G2 to M phase.
G1 cyclin CDK helps in the passage of cell from G1 to S phase.