So many plot holes and logical fallacies.

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Where are the guns?

The kids survival suit is so high tech that it has built in gliding wings and can react to threats in the environment, and yet it cant keep him warm at night?

1000 years of evolution is not long enough

In the volcano scene

Why indeed? Have you asked yourself why the filmmaker M. Night Shyamalan decided on such a bold future for humanity not to use weapons like projectile guns & lasers? It's kind of interesting how weapons like that were never shown in the film.

To me, I think either the film purposely didn't show weapons OR (most likely) the weapons have stopped being developed in this future? Now, we should ask ourselves, like I said before, why the director decided on this? Well, I think it portrays an anti-gun message here. You know, guns are actually more dangerous & deadly than combat weapons. This is an equivalent message found in the anti-gun message clearly portrayed from the main character from Children of Men.

Not going to try and rationalize the "science" behind it....because its science fiction. Nearly every single part of the movie is a "plot hole" if you put it up against actual science.

More fallacies:

- The split-apart ship is still functioning well enough to be able to create hologram maps of the planet on which it has crashed. OK. We'll go along. So, the ship still has that amazing functionality — yet the *ship* can't send an emergency beacon? That can only be accomplished by a handheld device?

- Since Cypher (Will) was a general and knew so much about what tools were located in various parts of the ship, why would he order Kitai (Jaden) to abort the mission, simply because Kitai had used up his breathing medication? Wouldn't Cypher have known that there'd be more medication in the section of the ship to which he'd sent Kitai to retrieve the beacon?

- It's implied that Kitai is unfamiliar with the ship. Yet, once he reaches the tail section, he somehow knows *exactly* where to find the medication. And (reinforcing previous point) if *he* knew it was there, *Cypher* should have known it was there. So, again, it's illogical that Cypher would have ordered Kitai to abort the mission and return to the original crash site, where they would certainly die together.

First, a plot hole is an error in the story that is so egregious that no amount of "wishful thinking" can fill that hole. What you are pointing out are technical errors.

Where are the guns? These Humans can travel at light speed and create fabric that can change at a molecular level, but rely on melee weapons?

The kids survival suit is so high tech that it has built in gliding wings and can react to threats in the environment, and yet it cant keep him warm at night?

1000 years of evolution is not long enough for the types of changes seen in the plant and animal life on the planet.

All of the vegetation flash freezes at night (which would kill it, the same way it would kill the kid) but is alive and green in the morning.

In the volcano scene, the kid is scene jumping over lava with his feet just inches away. In reality, if you came even half that close to lava, you would combust.

(mostly focusing on weapons)

One thing that hasn't been discussed is that this is a space faring society, just barely making it out of Earth (little more than refugees). They had limited technology and resources on the new planet (and no industry to speak of). And for space travel, weight is a paramount factor. While they're able of long distance space travel, their ships are still rather spartan and streamlined to minimize weight.

Propelled projectile gunpowder weapons require ammunition, which needs to be lugged around with you: it is heavy and you can only shoot it once, which is not very efficient within the restrictions of space travel. Unless you expect to go into combat, you wouldn't carry them (you much rather take air, water, and food).

They have limited resources, so even if energy weapons are feasible (we never see them), a swiss-army knife like cutlass makes sense as a general purpose tool for general issue/training to most citizens. They might have heavier (energy or projectile) weapons available, but these weapons would be expensive in this context, and would only be issued to specialized teams.

In AE, it is a single Ursa facing a lone boy in a forest (an open space), which is atypical. The Ursa is intended as a close combat weapon (presumably, the aliens and humans are also fighting more conventional warfare elsewhere). The Ursas infiltrate population centers (behind front lines) and wreak havoc among the civilian population. In such close quarters, projectile weapons might not be very effective and inflict considerable collateral damage.

The limitations in the suit might also have to do with energy conservation. A small energy expenditure to morph the suit can be easily justified, but it would be too expensive to generate heat to keep him warm for an extended period of time.

It isn't just evolution. The flora and fauna on Earth has evolved in reaction to pollutants (toxic waste and nuclear materials), which can cause rapid changes (revolution rather than evolution), so the time passed wouldn't matter much. In the movie, it is said that they evolved "against humans", which is a oversimplifications: they would have changed to withstand human byproducts (ie, pollution).

Those are not plot holes. Everything that you just said is false. The plants and animal life changed within a 1000 years because the land became contaminated. Vegetation does not freeze at night, so you are lying. You cannot combust from lava, again, lie. They use melee weapons because guns and nukes are dangerous. And what does the suit not keeping him warm at night have any relevant factors to the film? The suit will always have its weaknesses.