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valina [46]
3 years ago
5

how could Julio explain why all three species share some body structures and have some differences? why do only grizzly bears an

d sea otters have canine teeth?
Biology
1 answer:
shusha [124]3 years ago
6 0

Answer:

Some species are similar in structure because they are evolved from the same ancestors while some differences are also present in them due to the changes occurs in the body because of adaptation to environmental conditions.

Grizzly bears and sea otters have canine teeth because canine teeth are used to crushing hard food materials such as fishes and shells.

Explanation:

Canine teeth are present in the grizzly bear and sea otters due to eating of food materials which are hard. Canine teeth used to crush the food materials.

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What will happen if we put a Rhoeo leaf in plain water?
Oksanka [162]

<span>If we put a Rhoeo leaf in plain water, the water concentration of the leaf cells will be higher than that of the plain water. The aim is to balance water concentration on the inside and outside of the organism. So, the water will exit the leaf cells, which will consequently shrink in size. The most of the cells will shrink in size, causing the leaf to shrink, too.</span>

5 0
3 years ago
Read 2 more answers
Sheath of schwann cell containing cytoplasm and nucleus that encloses myelin is called
zmey [24]

Answer:

Neurilemma

Explanation:

Schwann cells are the neuroglia that produces myelin sheaths. There is a formation of multiple layers of the glial plasma membrane around axons. The cytoplasm and nucleus of Schwann cells from the outermost layer while the inner part has multiple layers of the Schwann cell membrane. The outer nucleated cytoplasmic layer of the Schwann cell that encloses the myelin sheath is called neurolemma. It is found only around axons in the PNS. Its function is to serve in the regeneration of injured axons by the formation of a regeneration tube.

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3 years ago
The muscles of the body are part of the musculoskeletal system but would not operate without the _______ system providing the im
Archy [21]
The answer is nervous system
7 0
3 years ago
if the following graph represents the decay of strontium-90 in an igneous rock, what event occurred at 0 years on the horizontal
kodGreya [7K]

Answer:

At 0 years, an event took place which is known as metamorphosis of igneous rock i.e., formation of igneous rocks from melted magma.

Strontium-90 is a radioactive element which undergoes beta decay to form yttrium-90. It has a half life of approximately 28 years and decay energy of 0.546 MeV. This radioactivity is used by geologist to estimate the age of the rock, fossils, meteorites etc. Other radioactive elements used by the geologists are carbon-40, potassium-40 etc.

Radiometric clock is set when the rock was formed in the past i.e., the moment when an ingenious rock was solidified from molten magma.

7 0
3 years ago
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in the northern hemisphere, a wind blowning from the south to the north will cause a current of water in which direction
hichkok12 [17]
Hello,

Here is your answer:

The proper answer to this question is "east".

Here is how:

When the wind blows from the south to the north the current of water will go to the east because of the direction of the air is blowing.

Your answer is east.

If you need anymore help feel free to ask me!

Hope this helps!
5 0
3 years ago
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