Answer:
the 3rd one is the correct option.
Whale shark reproduction can be by laying eggs that is also called oviparity where the female deposits eggs in the algae or rocks. The embryos formed inside the eggs and feed on the yolk. They can also reproduce through viviparity which means by giving birth just like mammals wherein they are born fully formed. This reproduction process is through the placental link to the eggs wherein the yolk sac grows within a placenta that is connected to the wall of the uterus and gives the offspring the nutrients vital for their growth. Another reproduction process is through Ovoviviparity where eggs are formed inside the mother where the eggs hatch within the oviduct of the female and the young feed on the egg yolk of the yolk sac and the fluids that the walls of the oviduct secrete since the mother does not provide any food directly. Once the eggs are ready, eggs hatch inside the mother and it pups keep getting food from their surroundings until they are fully developed. The number of their offspring and the length of the gestation periods varies according to the species. Probably a female of some species may have only two offspring, but some other species may have between forty and eighty. The small sharks have shorter gestation period compared to large species that last from three to four months or up to more than two years. The large ones reproduce every two years, while the little ones have offspring each year. This is why the reproduction process of whale shark is not known in detail.
ENSO phenomenon causes significan climate global changes, affecting especially the Southern Hemisphere. In south Asia regions, such as Philippines, the weather becomes cooler, drier than normal.
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The El Nino Southern Oscillation -<em>ENSO</em>- phenomenon produces due to a complex system of climatic oscillations between the ocean and the atmosphere.
This phenomenon causes significant perturbations in the usual pluvial regimens in the tropics. It provokes
- dry seasons in areas where it usually rains
- rainy seasons in desertic regions.
ENSO phenomenon is dominant in the global climate system.
SOUTHERN HEMISPHERE
⇒ <u><em>Under normal conditions</em></u>
- Pacific warm water and air masses move westward, making it possible for cold water to ascend in South America´s coasts, in a process known as upwelling.
- Upwelling occurs in South America, providing nutrients from the bottom to the animals, especially fishes -which favors fisheries activities-.
- Humidity goes straight to the west precipitating in Eastsouth Asia, Australia, and New Zealand, among other places.
⇒ <u><em>Under El Niño conditions</em></u>
- A tropical and weak stream in the Pacific acquires strength while the opposite streams debilitate.
- This change impedes warm water go eastward, remaining on South America´s coasts.
- <em>Upwelling does not occur on the South America coasts</em>. In some regions, temperatures rise, and unusual precipitations occur in desertic or dry areas -<em>Atacama desert</em>-.
- Other affected areas are <em>Eastsouth Asia, Australia, and New Zealand</em>, where there are fewer precipitations and cooler temperatures. <em>Rainfall drops below the average</em>, affecting crops and livestock.
Among the affected areas in the Eastsouth Asia, we can mension the Philippines. Their economic activities are particularly affected during ENSO events.
NOTHERN HEMISPHERE
ENSO also provokes changes in general extratropical circulation, contributing to some abnormal situations in the northern hemisphere weather during winter, including severe precipitations and cooler temperatures in the southeast USA, north of Mexico, Gulf of Mexico, Strait of Florida, and western Cuba.
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Answer:
Native plants are often removed and replaced with whatever is prettier to humans or more beneficial to humans and just general removal of wildlife in the area and removal of resources for human use
<span>Taste buds consist of both gustatory cells and basal cells. They are located deep between circumvallate papilla</span>
