To survive natural selection, one must be fit and be able to adapt to the environment and situations, thus why it's called survival of the fittest.
Answer:
I think it is "The fatty acid tails are hydrophilic, and the negative charges on one set of tails ate attracted to the positive charges on the other set of tails
PART 1
1. They nurse their young with milk produced by mammary glands.
2. <span>There are international laws and treaties that protect marine mammals.
3. </span><span>Unfortunately, many marine mammals are considered endangered species and there are still threats to most of their populations, such as illegal hunting, pollution, climate change, and habitat loss.
4. T</span><span>hey have adapted to living all or part of their life in the ocean.
5. </span><span>To keep warm in the ocean, most of them depend on a thick layer of blubber (or fat).
6. </span><span>To be able to stay under water for long periods, they store extra oxygen in their muscles and blood.
7. </span><span>They also have more blood than land mammals in proportion to their body sizes, can direct their blood flow to only their vital organs (such as their heart and lungs), and can slow their heartbeat down so they are using less oxygen in a dive.
PART 2
</span>Kingdom: Animalia
<span>Phylum: </span>Chordata
<span>Class: </span>Mammalia
<span>Order: </span>Cetacea <span>The Order Cetacea is the group of marine mammals that includes the </span>cetaceans<span> - the whales, dolphins and</span>porpoises.<span>There are </span>86 species<span> of cetaceans, and these are divided into two suborders - the mysticetes (</span>baleen whales, 14 species) and odontocetes (toothed whales<span>, 72 species).</span>
Hope this helped...Good luck!
Which energy transfer is least likely to be found in nature ?
D- predator to prey
Finger
contusion can be characterized by bruising of finger, where there is swelling
and bleeding under the skin but no broken bones.
1. Diagnosis and Management:-
Contusion of finger is diagnosed by the symptoms such as pain, swelling,
discoloration, tenderness and difficulty in movement. Sometimes numbness is
associated as swelling compresses the nerves in that region.X-ray (If required
CT scan0 can be done to confirm the diagnosis and rule out fractures and other
serious forms of injuries.
Depending upon the severity,
treatment is decided. The contusion is managed with an aim to reduce pain,
swelling and restore the movement. The options so as to treat the contusion,
based on its severity are as follows
a. Applying Icepacks and
keeping the finger propped up above the heart level.
b. Splinting and taping
c. Physiotherapy
d. Ultrasound therapy
e. Surgical treatment is
required in case of torn ligaments.
These options of treatment
are accompanied with over the counter pain killers and anti inflammatory drugs
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