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an ecosystem (system of an ecological community and its environment)
The ecosystem of this lake is very fragile.
diatom
Diatoms are tiny marine organisms that produce oxygen and support the Earth's ecosystem.
to create, to form
We formed a team to create a new project.
generation, formation
This software generates new ideas.
marine biology
I am very interested in marine biology.
get stuck, get jammed
support / hold in check / provide for, maintain, support
She always supports me.
oxygen (chemical element) / oxygen (molecular oxygen)
We cannot live without oxygen.
tiny; petty; very small
He can notice even tiny differences.
tininess, pettiness
The tiny parts of this device can only be handled with precise tools.
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