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5

There are two sounds snails make Not including the sounds of incidental activity, like banging the shell against something or the rapid excretion of slime. first is feeding which sounds almost exactly like taking a normal file or rasp to whatever substrate they are eating. there are long pauses as they "reset" the rasp. Of course what they are ...


3

Maybe clack, or slap or clap, but probably slobber, grind and crack I take earth snails as an example for gastropods. Inside or near the mouth of a snail you won't find sound originating from the snail itself, because there is no resparatory channel ending in the mouth, no airflow is available to resonate anywhere. Also because of the soft material a snail ...


25

No sound at all The majority of spiders alive today are some form of ambush or trap predators. Making sound kind of spoils the surprise that the spider was planning. For a giant spider that is actively pursuing a tasty main character, I would expect the spider to be eerily silent. I would not expect any vocalizations from the spider at all while it is ...


7

Expanding on this answer: If Spider Were the Size of Horses, What Sound Would They Make? Arachnids have at least some variability in breathing apparatus. Most arachnid species use book lungs: https://en.wikipedia.org/wiki/Book_lung However harvestmen use trachea (not the same as human trachea, but holes in the side of the body that extend inwards creating ...


-4

Creator prefers to use frightening sounds something like these: Spider_Foley_03.wav insectSpiderWaterScreamsSounds.flac spider squeek.aiff


3

Spiders are known for making clicking noises. Nesting spiders often lie in wait for hours and days at a time waiting for unfortunate victims. They are tuned to the vibrations of the environment and any slight disturbance to their web will provoke a reaction. This attunement to vibrations is based on their hair - which form "elaborate arrays of sensors&...


24

There would be a mechanical clicking or clacking sound as it moves. (I'm extrapolating that it becomes a loud clacking sound based on size.) The largest spider in the world makes a clicking sound as it moves through the jungle undergrowth. Link Further, this species makes a strange noise as a warning to other organisms to stay away called stridulation. ...


22

Whatever you want One of the limiting factors on the size of spiders and other arachnids is their relatively simple, primitive respiratory system. However, increasing the atmospheric percentage of oxygen from today's 21% to the late Carboniferous 35% will only allow a modest increase in the size of a spider. So a bird eating spider might be able to chow ...


1

The only sound I have found that a spider makes is a purr so I think the best sound is a purr mixed with a roar, hope this helps.


-3

Yes By strange coincidence, this fact is already well-established. Here is some live-action video demonstrating that a creature almost identical to yours can indeed use its tail to move on land1: https://youtu.be/otJ2rXMuLno?t=135 Note that this creature is free to use both its arms and one leg for non-locomotive purposes while simultaneously maintaining ...


2

Kangaroos can stand on their tails when fighting, so maybe something similar to your creature could be viable. Slithering on its tail could be interesting but it would be redundant due to the creatures legs. If the tail were smaller it could be used to stand on when asserting dominance, or if your creature is sentient it could be integrated into its society ...


1

You've described a synapsid (or something very similar to it): ...modern and extinct synapsids possess a variety of modified skin coverings, including osteoderms (bony armor embedded in the skin), scutes (protective structures of the dermis often with a horny covering), hair or fur, and scale-like structures (often formed from modified hair, as in pangolins ...


0

I don't think it is outrageously oversized. That is only 200 feet per side, less than 100 yards. The thing is, a playground doesn't have an importance to density. Twenty-four children running around and playing on a 200' by 200' space would be fine. They don't have to use the whole thing. They won't have to spread out to their own isolated spaces of their ...


2

There is a real-world creature that meets all of your criteria. It is the size of a squirrel It eats fruit (and other plants) Cats will eat it. Skin flaps are optional. The creature you are looking for is a Tree Squirrel. If you base your creature heavily off of a tree squirrel, you will meet every requirement. There are over a hundred species of squirrels ...


2

You're over-thinking it. Which is awesome. Playgrounds serve a variety of purposes apart from simple entertainment. They are (nominally at least) safe areas for children to engage in physical exercise, imaginative play and (often mediated) social interactions. Learning to play with others, share limited playground equipment etc. is good for their social ...


2

Real human bones are made of polymers, that's plastic. Actually most living tissue on this planet is either metallic based or a type of biological plastic Even the fat under your skin is a polymer, so is your salive and...similar liquids There's more metal and plastic in your head when compared to the average portable computer.


3

Rich People The playground is funded by a rich person or several rich people to provide a fun place to interact for their children. Either that, or the playground is in a really rich part of the city. As we all know, there are rich people who spent an atrocious amount of money on extravagance. Spending some money on a large playground for their children ...


1

It would be a rough world for earth humans, spores or no. Concentrated arsenic spores would be very bad for humans. edit: Could they be lethal for earth humans: YES. Windblown dust from arsenic-laden soil would also be bad for humans over a longer period. The whole world would be poisonous for earth humans. Just inhabiting this world will pretty much ...


8

As the other answers have pointed out, 40,000 ft² is a much larger space than required for 24 human children. However, as the question is asking for justification as for why this space is much more suited to these 24 anthropomorphic animal children, we just need to look at how normal human children and normal animal children compare. The average mobile puppy ...


6

The playground playacre1 you describe is large enough for 24 children, but just barely. It would help if you could make the sandboxes bigger. Allow me to explain -- A sandbox that's 100 square feet is basically 10' x 10'. Let's assume both sandboxes are identical, that each sandbox is surrounded by a wooden retaining wall that rises 1 foot from the ground, ...


0

Genetic engineering These aliens are standing naked on a world upon which they did not originate. Whatever evolution prepared them for, it wasn't this. They're probably pretty smart. They did cross the distances between stars, after all. So, they probably know better than to take off their helmets and body suits if doing so would be fatal. It follows that ...


4

Yes Firstly, as far as I can tell, the substitution of makes sense. Although it is unlikely that all the phosphorus would be replaced by arsenic and your fungus will still much prefer phosphorus to arsenic, given that (it seems like) the idea of arsenic based life on Earth was seriously considered in the scientific community, it is definitely plausible. The ...


21

Current use is not what builders expected. There is a playground about a mile from my house. When I discovered it I was surprised. It was brand new and wonderful and hardly being used. Around it were vacant lots and condemned houses. An enormous abandoned Sears distribution center loomed a block away. The city put the playground in first. All of those ...


8

This playground should accommodate megafauna and possibly even dinosaurs 40,000 ft² is very large for 24 human children. It comes to 1,666 ft², which means that human children are not going to have much contact with each other. However, if we need to accommodate children of larger species, it all makes sense. If you see the movie "Zootopia", there ...


10

40,000 square feet for 24 children amounts to almost 1700 square feet of space per child - that's the footprint of a modestly sized house for each child! This should be plenty of space for activities that require wide open spaces, as well as stationary installations like slides and swings. This playground could easily handle a much larger capacity. As a ...


5

What makes a bio-available stimulant? The criteria I'm setting for viable chemicals is that it must be naturally occurring (that is you can get it from plants/animals). It also must be plausible to cross whatever passes for the aliens blood brain barrier (so not too large a molecule), and not be so common that it would always be in effect (no O2 molecules ...


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