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lana [24]
2 years ago
12

The 14 different species of finches in the galapagos islands originated from a single ancestral species. what is it about these

islands that is responsible for the diversity of finch species?
Biology
1 answer:
Daniel [21]2 years ago
8 0
<span>These islands have different ecologies and most are not connected to each other by landmass. Therefore, the organism adapt to each of the different ecologies on their islands. These populations were physically separated due to lack of connection to each other and would not breed randomly. They therefore formed different species by allopatric speciation.</span>
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Which is produced when an egg and a sperm unite during a plant’s life cycle?
andrey2020 [161]

Explanation:

gametophyte

6 0
2 years ago
In order for evolution to occur, what must happen in a population?
kozerog [31]
For evolution to occur: There must be genetic variation in a population. This provides variation on which natural selection can act. Then natural selection can act by selecting those species which are better adapted to the environmental conditions. Over time those animals that are best suited to the environment only will survive and reproduce. Those organisms successful genes will be preserved and eventually the gene frequency in the population will change, changing the overall characteristics of a population. This is how evolution occurs.
6 0
3 years ago
Joe has been diagnosed with major depressive disorder. He interprets negative stressful events using a pessimistic explanatory s
gogolik [260]

Answer:

The correct answer is : state - dependent memory.

Explanation:

State dependent memories are recollections of memories that are set off or enhanced or increased by an individual's present mind-set in view of the relationship to memories framed when you were in a comparative state.

For example, pleasant memories are all the more effectively or strongly recalled when one is feeling happy and the equivalent goes for negative thoughts and sadness or outrage towards something. In this case Joe having more negative thoughts in response of depression or negative thoughts.

Thus, the correct answer is : state - dependent memory.

7 0
3 years ago
In cells, genes are segments of DNA that code for proteins; not sugars or complex carbohydrates, or lipids, but proteins. The co
Evgesh-ka [11]

Answer:

Explanation:

Proteins are involved in almost every function of cell and inside the body and each protein is specific for its role. Some of them are  

1) Protein constitute major part of structure of cell. Proteins are major constituent of cell membrane along with lipids.  

2)  Enzymes which are proteins in nature catalyze all the important chemical reactions inside and outside the cell e.g transporting material across the cell, synthesizing and repair of DNA

3) Hormones which are proteins play important role in the regulation of metabolic reactions inside the cell

4)  Regulation of cell division is performed by DNA-associated proteins  

5)  Proteins plays important role in storage of iron inside the cells

6) Proteins can be stored as fats inside the body and used as energy when needed by cells for its metabolic activities.  

5 0
2 years ago
Where do most of the world's coal mines come from?​
Sonja [21]

Answer:

Most of the world's coal mines come from China, India, the United States, the European Union, and Australia.

Explanation:

  • <u>China: </u>In the year 2018, China alone produced approximately 3523 million tonnes of coal. Though China is the largest producer of coal in the world, it has to import coal from other countries to fulfill its energy needs. China's share in the total coal produced in the world in the last 12 years is 39.7%.
  • <u>India:</u> The production of coal in India reached approximately 716 million tonnes in the year 2018. The total amount of coal produced in India in the last 12 years makes up 7.5% of the coal produced all over the world.
  • <u>The United States: </u>The coal produced in the United States in the year 2018 was approximately 702 million tonnes. The last 12 year share of the coal produced in the US is 16.2% of the total coal produced all over the world.
  • <u>The European Union:</u> The countries that constitute the European Union togetherly produced approximately 490 million tonnes of coal in the year 2018. The last 12-year contribution of the EU to the total coal produced in the world is 9.2%.
  • <u>Australia:</u> The production of coal in Australia for the year 2018 was approximately 481 million tonnes. Australia alone produced 6.2% coal of the total world production of coal in the last 12 years.
6 0
3 years ago
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