Important Life Zones of the Ocean from which the Marine.

Check out on Diversity in Living Organisms CBSE Class 9 Science Chapter 7 explanation, notes. Here is NCERT Solutions and Important Question-Answer for lesson Diversity in Living Organisms.

Jellyfish and comb jellies are gelatinous animals that drift through the ocean's water column around the world. They are both beautiful—the jellyfish with their pulsating bells and long, trailing tentacles, and the comb jellies with their paddling combs generating rainbow-like colors.

Butterfly eggs vary greatly in size and shape between species, but are usually upright and finely sculptured. Some species lay eggs singly, others in batches. Many females produce between one hundred and two hundred eggs. Butterfly eggs are fixed to a leaf with a special glue which hardens rapidly. As it hardens it contracts, deforming the.

The Mediterranean basin is one of the regions heavily affected by jellyfish bloom phenomena, mainly due to the presence of scyphozoans, such as Rhizostoma pulmo. The jellyfish have few natural predators, and their bodies represent an organic-rich substrate that can support rapid bacterial growth with great impact on the structure of marine food webs. In Asiatic countries, jellyfish are widely.

Our taxon sampling is much more depauperate, but our analyses suggest that the positioning of the gonophores may perhaps be evolutionarily too labile to be strictly used for classification, similar to the presence of scattered tentacles (Schuchert, 2001).

The Cnidaria (pronounced nidaria)as a group of animals are well known to many people under their common names, Sea Anemones, Corals and Jellyfish are all Cnidarians as are Hydras, Sea Whips, Sea Fans and Sea Pansies.

Rhizostoma pulmo The Barrell Jellyfish (Rhizostoma Pulmo) is commonly found in the Irish Se. Rhizostoma pulmo The Barrell Jellyfish (Rhizostoma Pulmo) is commonly found in the Irish Sea. Measuring up to in diameter, it is the largest jellyfish foun Jellyfish are found in every ocean, from the surface to the deep sea. Pink jellyfish (Pelagia.

The Protozoa are the very lowest forms of animal existence, the beginning and dawn of living things. They first appear as minute shapeless particles of semi-fluid sarcode moving on the surface of the waters. The pseudopodia, or false feet, with which they move, are merely lobes of their own substance which they project and retract.

Classification and function (lecithins, cephalins, prostaglandins, cholesterol, simple and compound lipids) 5. Enzymes and co-enzymes (4 hrs) Classification, nomenclature and properties of enzymes; mechanism and theories of enzyme action, enzyme inhibition, co-enzymes (NAD, FAD) and cofactors, and their role in enzyme action, ribozymes 6.

Biological Journal of the Linnean Society, EarlyView. (Source: Biological Journal of the Linnean Society) Nuclear DNA based species delineations of Coccus scale insects in symbiosis with plants and ants, and the role of plant epicuticular wax in structuring associations.

Analyses of shape have been used widely to describe phenotypic variation among and within taxa. Shape can be defined as “the total of all information invariant under translations, rotations and isotropic rescaling” (30,31).For morphometric analyses there is a requirement that variation in shape be represented in describable and repeatable terms ().

Rhizostoma pulmo, commonly known as the barrel jellyfish or the dustbin-lid jellyfish, is common in the Irish Sea. It typically is up to 40 cm in) in diameter, but can exceptionally reach 90 cm in), making it the largest jellyfish in British waters.