WorksheetsTardigrades!
Total questions: 10
Worksheet time: 7mins
Tardigrade is the
strongest animal on Earth
toughest animal on Earth
weakest animal on Earth
How much time can a human survive without water?
30 hrs
1 day
100 hrs
30 days
How much can a tardigrade survive without water?
100 days
1000 hrs
decades
centuries
Tardigrades can survive
in extremely hot temperatures
in extremely low temperatures
high levels of radiation
all of the above
Where are tardigrades normally found?
Forests
Deserts
Ponds
Every continent and in diverse biomes
Apart from tardigrades, which other species can survive anhydrobiosis (=life without water)? Tick more than one if applicable.
bears
bacteria
humans
single-celled organisms called archaea
plants
When a tardigrade dries out what does it do?
Curls up into a ball like structure known as a ‘tun’
Extends its legs and goes rigid
Nothing, they just stop moving
Flatten themselves out
How is it thought that tardigrades protect their cellular components when they dry out?
They do not have to; their cellular components are just tougher than normal
They produce molecules that form a protective matrix within their cells
They do not protect their cellular components at all; instead they repair the damage after they are rehydrated
The do not protect their cellular components; instead they make new undamaged components once they are rehydrated
How many species of tardigrades have been discovered?
1
About 100
About 15.000
About 1.200
What kind of real world applications do scientists hope to develop by studying tardigrades? (Tick more than one - if necessary)
Methods for stabilizing sensitive biomedical materials, like vaccines
Generate stress tolerant crops that can cope with Earth's changing climate
Solve the problem of water shortages in different parts of the world
How to safeguard astronauts
