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KIM [24]
3 years ago
14

A series of steps that guide scientist to investigate questions about a natural world

Biology
1 answer:
hram777 [196]3 years ago
8 0

Answer:

Scientific method

Explanation:

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What is prothrombin?a.​A protein needed for bone formation b.​A protein that decreases the “stickiness” of red blood cells c.​A
quester [9]

Answer:

​A protein needed for blood clot formation.

Explanation:

Prothrombin may be defined as the protein that changes in to the thrombin during the process of blood coagulation with the help of clotting factor X.

The main function of the prothrombin protein is the coagulation of blood. This protein is responsible for blood clotting at the time of external and internal injury.

Thus, the correct answer is option (c).

4 0
2 years ago
In the body, hormones move from one location to another through _____.
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3 years ago
Why is a nutrient cycle on earth called closed system
anastassius [24]

Answer:

<em>The nutrient cycle </em><em>is nature's recycling system. All forms of recycling have feedback loops that use energy in the process of putting material resources back into use. </em><em>Recycling</em><em> in ecology is regulated to a large extent during the process of decomposition.</em><em> Ecosystems employ biodiversity</em><em> in the food webs that recycle natural materials, such as mineral nutrients, which includes water. </em><em>Recycling in natural systems</em><em> is one of the many ecosystem services that sustain and contribute to the </em><em>well-being</em><em> of human societies.</em>

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4 0
3 years ago
The arctic fox and gray fox evolved from the same species over thousands of years. can you place these steps in the process of a
elena55 [62]
Allopatric speciation, also referred to as geographic speciation, is a method of the formation of new species due to isolation of the species from one another through geographic means.

The first step in this process is geographic isolation, which means that the original population is divided into two groups due to geographical reasons such as movement of continents or formation of water bodies.

Next, the species are subjected to different selection pressures due to their different environments. Eventually, the gene pool becomes very different for the two species due to the different selection pressures and because they are not allowed to mix.

Finally, after enough time passes, speciation occurs, which means that the two populations cannot breed to form fertile offspring.
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