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AlladinOne [14]
3 years ago
8

Explain how global warming occurs on Earth, how human activity has contributed to global climate change, and how global climate

change affects marine primary productivity and marine animal migration.
Biology
2 answers:
MAVERICK [17]3 years ago
7 0

Answer:

I'm going to talk about how global warming occurs on Earth, how human activity has contributed to global climate change, and how global climate change affects marine primary productivity and marine animal migration.

Explanation:

  First of all, I need to talk about what is that thing called "Global Warming" and why it occurs in whole world. Let's start talking about milions time ago. In that era, there were some animals that we now well nowadays "The Dinossaurs". There were so many species about this, and there were living together, with a synergy of food, interaction and occupation of spaces between them. But, for one reason, the temperature, the weather have changed, the foods were running out and they began to disappear until they reached extinction. Global warming is a natural thing that occurs in nature.

  The Global warming always exixted in our Planet, but, for sure, on proportional scales. After milion times, the human beings appear and started to grow in a fast way. Then we had the Industrial Revolution, that turned on and accelerated the development machine and consequently, more emissions of pollutant gases into the environment and in our planet. Parallel to that, many animals disappeared and were extinct. The emission about these polluentes was one of the reasons about this happening.

  Consequently about that, the temperatures increased, some animals migrated from one region to another and the temperature about the oceans increased too. This rise about it contributed to global climate chage, marine primary productivity and marine animal migration. Some animals in the ocean, rivers and lakes are disappearing over the years and this event contributes to this changes mentioned above.

 

Aleks04 [339]3 years ago
3 0
As air warms from global warming, it will also transfer heat from the air into the water until it equalizes. The industrial revolution made us able to power engines with fossil fuels therfore the exaust or c02 or carbon goes up into the atmosphere because it is a gas and is warm which is a insulator gas so it keeps the sun's heat in and doesn't let it out <span />
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Which of Thomas hunt Morgan‘s hypothesis was valid
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Answer:

White eyes are lethal in male Drosophila was the hypothesis of Thomas hunt which was valid. Hence the answer is option B.

Explanation:

Thomas hunt Morgan was a famous American biologist. He was more famous because of his experiment on drosophila which contributed most of things about the lifestyle and health science in much of the findings about those insects.

He was also awarded by the Nobel prize for his works which was related to medicine in 1933.  He has also contributed many knowledge about the chromosome and heredity. he is finding is very helpful nowadays for the scientist and other biologist.

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Given the following cross TtYyRr x TtyyRr (T = tall; t = short Y = yellow; y = green R = round; r = wrinkled), what proportion o
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Cross: Tall, Yellow, Rounded individuals with a tall, green, rounded individual

Parentals) TtYyRr      x      TtyyRr      

Gametes) TYR, TyR, TYr, Tyr, tYR, tyR, tYr, tyr (Parent one)

                 TyR, TyR, Tyr, Tyr, tyR, tyR, tyr, tyr (Parent two)

We need to know what proportion of offspring is expected to be short plants with round, green seeds. So we need to identify the gametes for these traits. The genotypes are:

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⇒ Parent one can provide gametes tyR and tyr

⇒ Parent two can provide gametes tyR and tyr

(1/8 tyR x 2/8 tyR) + (1/8 tyR x 2/8 tyr) + (1/8 tyr x 2/8 tyR) =

2/64 ttyyRR + 2/64 ttyyRr + 2/64 ttyyRr =

1/32 ttyyRR + 2/32 ttyyRr =

3/32 ttyyR-          

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