Biota of littoral zone, Biology

Biota of Littoral Zone

This zone is the shore region of the marine ecosystems and is subject to violence of waves and tides, fluctuation of water level and variability of temperature, light, salinity and moisture. In common language supra littoral zone is termed as a beach. Considerable light penetrates the bottom of this zone which is exposed and submerged twice a day except for tide pools. Thus, 'animals living here exist in a difficult environment and so must be either resistant to periodic drying or able to burrow to water level. This zone is thus also called intertidal zone. This intertidal zone or the littoral Bone is a region of high productivity with a simple community, many of whose members may be exceedingly abundant: There is no typical littoral zone, there are two types of beaches; a rocky intertidal beach is different from a sandy beach or a mud flats. However, all have certain things in common.

The wave action is stronger here than anywhere else in the sea. The turbidity is high and the substrate erodes rapidly. There are few species of plants. Those that occur are attached securely to the substrate and may be present in large numbers. The energy requirements of the animal community here depends on the large amount of detritus washed in by the waves. Common animals found here are snails, clams, barnacles, crustaceans, annelids sea anemones and sea urchine.The animals here exhibit zonation with respect to tides - Animals more resistant to desiccation usually occurring at higher levels than those that are less resistant.

Posted Date: 1/19/2013 6:22:41 AM | Location : United States







Related Discussions:- Biota of littoral zone, Assignment Help, Ask Question on Biota of littoral zone, Get Answer, Expert's Help, Biota of littoral zone Discussions

Write discussion on Biota of littoral zone
Your posts are moderated
Related Questions
heating a food sample with Benedict''s solution is a test for...

FOSSILIS A TIO N - The organisms are preserved and fossilized when they are buried in the ice, in an oil rich soil, in the lava of volcano, in swamps, in desiccated deser

Q. What are respectively some remarkable functions of albumin, myosin, CD 4 , keratin, immunoglobulin, reverse transcriptase, hemoglobin and insulin? Myosin is a protein that w

Enzyme-activity Control Availability of the substrate, NADH and nitrate would be an important determinant of the rate of nitrate assimilation. In addition, there are number of

Find the electric potential, taking zero at infinity, at the upper right corner (the corner without a charge) of the rectangle in the figure. (Let y = 3.7 cm and x = 6.7 cm.)

If levels of ATP become high in a cell (i.e more than the cell needs at that time), describe the mechanism that the cell would use to alleviate this situation (include the name of

Q. How much DNA is in a typical human cell? If DNA (deoxyribonucleic acid) molecules in a single human cell were stretched out and laid end to end they will measure approximate

ACRODYNAM IC S Division of air in lungs. Measured by spirometer. 1. Tidal Air (T.A.): Quantity of air taken in or given out in a breath 500 cc. 2. Inspiratory Reserv

What is the function of the immune system? The immune system performs exact defense against agents, the antigens, that are foreign or harmful to the body. Exogenous antigens

Determine the stages of healing events The healing events are described in 3 stages Stage 1: Wound healing and formation of woven bone (callus) (2 to 6 weeks) Stage 2: La