Different aspects of development can affect one another

For example, rock layers show the sequence of geological events, and the presence and amount of radioactive elements in rocks make it possible to determine their ages. Analyses of rock formations and the fossil record are used to establish relative ages.

Different aspects of development can affect one another

Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. March Learn how and when to remove this template message The two parvorders, baleen whales Mysticeti and Different aspects of development can affect one another whales Odontocetiare thought to have diverged around thirty-four million years ago.

Baleen whales have bristles made of keratin instead of teeth. The bristles filter krill and other small invertebrates from seawater. Grey whales feed on bottom-dwelling mollusks. Rorqual family balaenopterids use throat pleats to expand their mouths to take in food and sieve out the water.

Most mysticetes prefer the food-rich colder waters of the Northern and Southern Hemispheres, migrating to the Equator to give birth. During this process, they are capable of fasting for several months, relying on their fat reserves.

The parvorder of Odontocetes — the toothed whales — include sperm whales, beaked whales, killer whales, dolphins and porpoises. Generally the teeth are designed for catching fish, squid or other marine invertebratesnot for chewing them, so prey is swallowed whole.

Teeth are shaped like cones dolphins and sperm whalesspades porpoisespegs belugastusks narwhals or variable beaked whale males.

Introduction to Public Choice Theory

Female beaked whales' teeth are hidden in the gums and are not visible, and most male beaked whales have only two short tusks. A few toothed whales, such as some killer whalesfeed on mammals, such as pinnipeds and other whales. Toothed whales have well-developed senses — their eyesight and hearing are adapted for both air and water, and they have advanced sonar capabilities using their melon.

Their hearing is so well-adapted for both air and water that some blind specimens can survive. Some species, such as sperm whales, are well adapted for diving to great depths. Several species of toothed whales show sexual dimorphismin which the males differ from the females, usually for purposes of sexual display or aggression.

Anatomy[ edit ] Dolphin anatomy Cetacean bodies are generally similar to that of fish, which can be attributed to their lifestyle and the habitat conditions. Their body is well-adapted to their habitat, although they share essential characteristics with other higher mammals Eutheria.

Almost all have a dorsal fin on their backs that can take on many forms depending on the species. A few species, such as the beluga whalelack them. Both the flipper and the fin are for stabilization and steering in the water. The male genitals and mammary glands of females are sunken into the body.

In larger species, it can reach a thickness up to half a meter 1.

Notes: 1. If physics were taught with the same lack of organization, you would have to go to one department to study gases, another to study fluids, and another to study solids. 2- Acquisition/ Learning Hypothesis: 'Adults have two distinctive ways of developing competences in second languages.. acquisition, that is by using language for real communication (natural environment) learning.. "knowing about" language'. Fideisms Judaism is the Semitic monotheistic fideist religion based on the Old Testament's ( BCE) rules for the worship of Yahweh by his chosen people, the children of Abraham's son Isaac (c BCE).. Zoroastrianism is the Persian monotheistic fideist religion founded by Zarathustra (cc BCE) and which teaches that good must be chosen over evil in order to achieve salvation.

Sexual dimorphism evolved in many toothed whales. Sperm whales, narwhalsmany members of the beaked whale family, several species of the porpoise family, killer whales, pilot whaleseastern spinner dolphins and northern right whale dolphins show this characteristic. The fluke is set horizontally on the body, unlike fish, which have vertical tails.

Hind legs are not present in cetaceans, nor are any other external body attachments such as a pinna and hair. Their nostril s make up the blowholewith one in toothed whales and two in baleen whales. The nostrils are located on top of the head above the eyes so that the rest of the body can remain submerged while surfacing for air.

Some History of Public Choice Theory

The back of the skull is significantly shortened and deformed. By shifting the nostrils to the top of the head, the nasal passages extend perpendicularly through the skull. The braincase is concentrated through the nasal passage to the front and is correspondingly higher, with individual cranial bones that overlap.

In toothed whales, connective tissue exists in the melon as a head buckle. This is filled with air sacs and fat that aid in buoyancy and biosonar.

Different aspects of development can affect one another

The sperm whale has a particularly pronounced melon; this is called the spermaceti organ and contains the eponymous spermacetihence the name "sperm whale".

Even the long tusk of the narwhal is a vice-formed tooth. In many toothed whales, the depression in their skull is due to the formation of a large melon and multiple, asymmetric air bags.

Other cetaceans have fused neck vertebrae and are unable to turn their head at all. The baleen of baleen whales consists of long, fibrous strands of keratin. Located in place of the teeth, it has the appearance of a huge fringe and is used to sieve the water for plankton and krill.

Brain[ edit ] The neocortex of many cetaceans is home to elongated spindle neurons that, prior towere known only in hominids. Since most of the brain is used for maintaining bodily functions, greater ratios of brain to body mass may increase the amount of brain mass available for cognitive tasks.Free Essay: DEVELOPMENT Task Describe, giving examples, how different aspects of development can affect one another.

There are many examples that show.

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Cetacea (/ s ɪ ˈ t eɪ ʃ ə /) is a widely distributed and diverse clade of aquatic mammals that today consists of whales, dolphins, and iridis-photo-restoration.comans are carnivorous and finned.

Most species live in the sea, some in rivers. The name is derived from the Latin cetus "whale", itself from the Greek κῆτος kētos "huge fish".. There are around 89 extant species, which are divided. Notes: 1.

Affect in Language Learning: Motivation The social phenomena discussed in this series of essays all center around the problem of individuals in groups faced with the choice of doing what is best for themselves or what is best for the group. Instances of the phenomena are called by many different names:

If physics were taught with the same lack of organization, you would have to go to one department to study gases, another to study fluids, and another to study solids.

How different aspects of development can affect one another? Describe with Examples How Different Aspects of Development Affect . Oceana Law is your gateway to the world of family law, divorce law, and real estate law. Read about the latest international legal information from us.

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