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Alona [7]
3 years ago
13

Which 2 features help orchids survive

Biology
1 answer:
lord [1]3 years ago
6 0

Answer:

Orchids have some unique features which help them in the evolutionary race. They produce masses of pollen (which improves the chances of pollination), very light seeds (which makes them easier to spread) and can grow on other plants using them to support their own growth.

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Please answer this question: Describe how air moves as it is heated and cooled. Indicate what happens at each position.
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Hot air rises. Cool air comes rushing in to take its place.

Explanation:

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The two rectangles are similar. Which is the correct proportion for corresponding sides?
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The correct answer is B.
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What will happen if a bacterial cell is pretreated with a lysozyme solution, then placed in distilled water?
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The cell will undergo osmotic lysis. 3. The cell will plasmolyze.

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Grant's Research
uranmaximum [27]

What animals did the grant study in galapagos island?

Galapagos finches did the grant study in Galapagos island.

Galapagos finches is a piece of evidence supporting the theory of evolution.

Darwin's finches comprise a group of 15 species endemic to the Galápagos (14 species) and Cocos (1 species) Islands in the Pacific Ocean. The group is monophyletic and originated from an ancestral species that reached the Galápagos Archipelago from Central or South America.

What did he observe?

During the survey voyage of HMS Beagle, Darwin was unaware of the significance of the birds of the Galapagos. He had learned how to preserve bird specimen while at the University of Edinbugh and and had been keen on shooting, but he had no expert in ornithology and by this stage of the voyage concentrated mainly on geology. Nonetheless, these birds were to play an important part in the inception of Darwin’s theory of evolution by natural selection.

What was the brief goal of their studies?

All of Darwin's observations and insights, plus reading of increasing population growth and demand for limited resources, brought him to his theory of natural selection. Briefly, this means that individuals better adapted to their environment survive and increase in number through reproduction.

What did they conclude?

Conclusion:

Charles Darwin deserves primary credit for the theory of evolution. He developed existing ideas about descent with modification while providing a large body of evidence in support of them, and he was the first person to perceive thatnatural selection is the primary force behind evolution.

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3 years ago
PLEASE HELP 6TH GRADE SCIENCE
bixtya [17]

Answer:

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condensation the vapor in the cloud turns back to a liquid ,

Precipitation rain ,

and collection water that falls from the clouds as rain, snow, hail or sleet, collects in the oceans, rivers, lakes, streams. Most will infiltrate (soak into) the ground and will collect as underground water.

If a step was removed from the cycle then it there would be no water coming down. Let’s say if Precipitation was removed then what would happen. The water would be stuck up into the clouds .

The ice would be melting like it is right know and the polar bear would be going extinct because like off of a show polar bears can’t swim far and for let’s say that someplace would change like the desert would not be so hot.

A weather front is a transition zone between two different air masses at the Earth's surface. Each air mass has unique temperature and humidity characteristics. I think.

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