Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [evolution]

The tag has no usage guidance.

1
vote
1answer
40 views

What are the hottest temperatures ocean life can survive at [closed]

What are the hottest average annual temperature for life in the ocean to withstand? Particularly algae This could include life from all points in earth history.
1
vote
0answers
58 views

Where on Earth does the atmosphere have the most $O_2$ concentration?

Is there a map that shows the average oxygen concentration in the atmosphere? Seems to me that it would be where the most plants are but I wonder if population and industry make a difference in oxygen ...
0
votes
2answers
187 views

Is there any correlation between Australia's uranium deposits and the unique animals?

Australian animals are very different than the rest of the world. I wonder if the radiation of Australia's Uranium deposits have anything to do with why animals uniquely evolved? For instance, ...
-1
votes
1answer
214 views

If Earth had rings would gravity exerted by Earth decrease?

If Earth had enough mass in its own rings, more than the weight of Earth: What could it decrease the gravity to? Would the atmosphere have more depth or be thinner? What would the weather be like? ...
1
vote
2answers
148 views

Dino-birds or “Pigeon-o-saurus”

It seems to be an accepted fact that Theropod dinosaurs evolved into present-day birds, but I am still leery of this theory. Can biologists and paleontologists really compare these distinct animals ...
5
votes
1answer
128 views

Why haven't weeds overtaken the entire planet?

Given how rapidly weed plants spread and grow, choking out all other plant life, how come after millions of years we haven't ended with forests full of thistle or pokeweed, as opposed to pines or oak ...
2
votes
2answers
330 views

Is this scientific explanation of The Bible flood accurate?

I googled "the flood and freshwater fish" and came up with this question Christianity StackExchange: How did Noah preserve fresh water fish?. The writer makes a lot of claims like how the salinity of ...
0
votes
1answer
258 views

Are there any geological periods found on top of each other that have dinosaurs of that period with in them?

In diagrams, It is common to depict geological periods to be directly on top of each other with fossils of that period within them. When looking for evidence of this, I have only found examples of ...
9
votes
1answer
335 views

What are these “ship wrecks” (pictured) in the old volcano crater?

They consists of stone, of course, but have strange U cross section, as if they were the remaining of some ships without the head and tail section. Could anyone tell how have they formed? They almost ...
12
votes
1answer
177 views

How did this rock dome (pictured) form?

I saw this rock formation near Hveravellir, Iceland. It is probably of volcanic origin and looks like a dome. It is nearly symmetric and appears to consist of hardened lava maybe, with several very ...
9
votes
1answer
334 views

What evidence is there that plant evolutionary history “dances to a different beat” than that of animals?

Floral transformations have been due to gradual replacement and piecemeal, not mass extinction. Plant “geoevents”; have not been synchronous with epochal animal originations/ extinctions and hence ...