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dezoksy [38]
3 years ago
10

In 1995, researcher jeffrey friedman and his colleagues discovered a new hormone, which they named leptin. leptin is secreted by

:
Biology
1 answer:
andrew-mc [135]3 years ago
3 0
Adrenaline
Was the hormone discovered
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The Gulf Stream passes from the Gulf of Mexico, northward along the coast of eastern North America, and eastward toward Ireland,
anzhelika [568]
I believe it is keeping these regions warm because the water is flowing from the SOUTHERN part of these regions, like, how it starts from the bottom of the US, (aka Louisiana, Mississippi), and it gradually flows upward, but hot always overrules cold, so the cold water that it is flowing into is becoming warmer as it passes into the warm water from the gulf of Mexico.
Hope that this helps :)
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3 years ago
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Which feature is common to gills, lungs, and tracheae?
fredd [130]
The art of breathing in someway.
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In this activity, you’ll research a threatened ecosystem, the factors that are contributing to its decline in biodiversity, and
chubhunter [2.5K]

Answer:

forest ecosystem is whereby the organism live together and interact with each other and their environment. The biodiversity in this ecosystem is reducing due to the following factors:

1. deforestation: if most of the trees in the forest are been cut down without replacement it will affect the animal living there. especially herbivores, they feed on this plant and use it as a hideout.

2. bush burning: if the bush is burnt it may lead the animals to ran away for there safety and some may die of hunger, and some trees and plants may also become weak and die therefore reducing food for other animals.

3. Climate change: Climate change is one of the reasons. As deforestation may lead to climate change and many other factors, Without transpiration and evaporation cloud won't be form and there will be no rain which may lead to draught and finally animal will die and others will migrate.

possible solution to this

1. Avoid deforestation, and bush and plant more trees.

2. the government can also make laws concerning deforestation, bush burning, burning of fosil fuels and tires to avoid climate change.

5 0
3 years ago
Select the correct answer. Which living organism processes nitrogen in the atmosphere and makes it available to other living for
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A. Bacteria would be your answer

6 0
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Using no more than 14 propositions, list the functions, structure, and distribution of the lymphatic vessels and describe the me
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The lymphatic vessels are thin-walled valvular structures, composed of lymphangions, which carry the lymph from the tissues, via the lymph nodes, to the bloodstream. For this reason, they are analogous to veins and venules.

The lymphatic network is present throughout the body with the exception of the central nervous system and non-vascularized tissues.

It is separated in two circuits: one for the upper right quarter of the body, and one for the rest.

The lymphatic channels join together to form lymphatic vessels more and more voluminous.

Finally, The lymph is drained by two large collectors:

* The right lymphatic canal

* The thoracic duct.

All lymphatics thus end up in the upper vena cava system by two separate circuits.

8 0
3 years ago
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