Tuesday, December 5, 2017

My information report. [ finished version ]


Mammals


Mammals have been alive for millions of years, the first Mammals were alive 83 million years ago.


Mammals live in all sorts of places, including the ocean, underground and on land


Now, I am going to tell you more about the habitats of mammals


In the Ocean



Marine Mammals rely on the Ocean for their existence. Marine mammals breathe air, which means they must come up to the surface to breathe otherwise they will drown, but marine mammals can stay underwater for a long time. The sperm whale will stay underwater for up to 90 minutes at a time, while Dolphins and other whales can stay underwater for around 20 minutes.                                                                                          Beached WhaleImage result for beached marine mammals

Marine Mammals are warm-blooded. In order to contain their body heat, they consume large quantities of calories and develop a thick layer of fat or blubber to keep their organs from freezing in cold environments. Marine mammals have streamlined bodies designed to reduce the water when they are swimming, they also have specialized lungs and muscles designed to store oxygen.

Marine Mammals give birth to their Offspring. Unlike fish and other aquatic animals, marine mammals do not lay eggs, instead they carry their children in their Womb until the baby is born. They give birth to live young.l Most marine Mammals only give birth to one calf or pup at a time. Usually they are never able to give birth to twins or large litters.

Maine Mammals produce Milk. marine mammals have mammary glands that produce milk which they use to feed their child. The milk is often filled with fat and lots of Nutrients to help their child grow and develop. Marine mammals feed off the mother's milk when they are young.


Underground Mammals

Some mammals also live underground. Some mammals live underground most or all of the time. Some mammals also hunt for food underground such as the Gopher. The Gopher spends most of its life underground and they hunt underground.

Living Underground has many advantages, such as protecting and hiding themselves from protectors that might try and eat them, protecting themselves from severe temperatures both hot and cold and protecting themselves from overly dry climates.
The burrows of Siberian Marmots are important refuges for foxes and wild cats.Image result for marmot burrow

What is the air like in there? Since the burrows down there are not well ventilated, essentially in wet or heavy soils and dirt. The mammals must work and function in compromised air conditions. Mole rat burrows have been recorded with oxygen concentrations of a mere 7.2 per cent, which is deadly to people.
                                                                                                 Mole rat burrowImage result for mole rat burrow

Familiar scenes,  While underground mammals have poor eyesight, their everyday rhythms are still determined by the photoperiod, seemingly to ensure that they do not appear when being eaten is high. Instead many mammals have greatly developed tactile senses, with sensory hairs all over the body, particularly on the tail. Even hairless species have sensory hairs.


Terrestrial Mammals
                                                                                   
Terrestrial mammals spend all or part of their time on land Savannas are home to a lot of land mammals, including Elephants, Zebras, Giraffes, Buffalo, Lions, Snakes, Cheetahs and many more. Many mammals that live in the savanna are herbivores which means they only eat plant their is heaps of grass in the savanna.

The location. Savannas are full of grasses and a few trees. Savannas cover half of Africa, large areas of Australia, south america and india. We create savannas by burning grassland and cutting down trees so we can plant crops. Elephants can turn a forest into a savanna, by stripping bark from trees, knocking trees down and tramping on tree seeds.

The werther in the Savanna. When the wet season comes, the mammals will flourish on the savanna, but the wet season is only half of the year. When the dry season comes, surface water from the rain will quickly disappear into the ground from thirsty soil. The competition for water in the dry season is so harsh, usually birds and other big mammals will margaret somewhere else in search of water. Based on the severity of the drought, they may go to a place nearby or far away.


To summarise, mammals live in all sorts of places, Terrestrial mammals spend all or part of their time on land, some mammals live most or all of the time underground and marine mammals rely on the ocean for their  existence.

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