tough times

Getting Through Tough Times

Living organisms have come up with lots of interesting ways to get through tough times. Sometimes, “tough” means stuff like… winter. Other times, there might be a food shortage or the puddle dries up. Whatever the stressor, being adaptable is the key to survival. In this post, we’ll take a look at how 3 weird organisms survive tough times. Tardigrade Myth Rotifers and tardigrades react to crappy times by desiccation. They dehydrate their cells, their DNA fragments, and they roll up into a cocoon (aka: a tun). There’s a misconception that tardigrades can live in space, but no. Tardigrades are…

donkeys

Someone Actually Did A Study On This…

Donkeys may seem like hardy animals, but a scientific study has shown that these big-eared equines don’t do well in cold weather. Before we dive into the weird world of equine winter coat-lengths, let’s first look at some equine terms that you need to be familiar with. Also, they may be useful later on in life when you’re playing trivia or something. Horses vs Donkeys Horses and donkeys all fall under the genus Equus, which includes other horse-like animals such as zebras and onagers. Physically, the differences are obvious. Donkeys are shorter with big ears. Horses are taller with small…

Chlamydomonas

One to(o) Many

Multicellular Evolution Theory Recently, a study showed that Chlamydomonas were capable for multicellular “evolution” when under predatory pressure. Basically, scientists set loose some hungry Paramecia into Chlamydomonas territory and things got stressful. I wanted to write a post about this because 1) you’ve seen videos and pictures of these microorganisms before and 2) it’s important to straighten out some misunderstandings about the results. Strength in Numbers Under the threat of predation, Chlamydomonas, usually flagellated and single-celled, will begin to form multicellular structures. Even after the threat was removed, they remained “multicellular”, though I prefer to call them “advanced colonies”. There…