Questions tagged [natural-defenses]

For questions about natural defenses of a species, whether those came to be through evolution or some kind of intelligent design. Do not use this tag for defensive equipment designed by members of a species.

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5
votes
3answers
274 views

Is acid blood possible?

I'm designing an alien species, whose blood is highly acidic and can easily cause someone's hand to melt down. It's pretty similar to the Xenomorphs from Ridley Scott's Alien, except for the color ...
0
votes
0answers
36 views

Making a scientifically accurate fire-breathing dragon [duplicate]

I came up with a concept for how a dragon could breathe fire. However, I haven’t figured out some crucial details, which I need help with. The dragon would capture the methane gas produced by its ...
11
votes
3answers
827 views

Gastric acid as a weapon

The dragons in my fantasy world spit fluid from their mouths when threatened, which upon contact causes a burning sensation. I could have this liquid be standard venom, like modified saliva, but I ...
29
votes
14answers
6k views

How can I launch a projectile to hit something in orbit, using only geological structures and power sources?

As an ancient organism whom currently occupies a large chunk of a planet beneath the surface, I have a pesky issue with an invasive species. These humans have decided to colonize my home, mistaking it ...
15
votes
10answers
3k views

Could an animal species fire solid projectiles as a defense? [duplicate]

Projectile weaponry is not unheard of in the animal kingdom - cobra venom, venomous spider silk, velvet-worm slime, scalding water from bombardier beetles, archerfish spitting water, penguins ...
15
votes
21answers
1k views

How to make a bear resistant to Medieval weaponry?

In my story there will be animals that are incredibly strong and resistant to injury. To better understand how to design my creatures, I'm asking for help understanding how to make the Eurasian Brown ...
1
vote
1answer
84 views

What is the best way to defend a small colony of about 200 people [closed]

What would the most best way to protect a small colony against let's say a another colony. Or to prevent some natural disaster that you didn't think would be a threat or you didn't know about until ...
3
votes
11answers
2k views

Bovinae immune to predators

Given an unlimited time to evolve: what are the best ways to make any wild bovinae immune to its natural predators like the classic big felines (lions or tigers) and most reptiles (crocodiles or ...
38
votes
13answers
15k views

Could a creature evolve a biological “bulletproof vest”?

A variety of Earth species have hard, more or less rigid shells covering parts of or their entire bodies as a defense against predators. These work to a varying degree depending on the specific ...