Just like any ecosystem, a self-sustaining ecosystem needs light for primary production and nutrient cycling. The environment must find an ecological balance and be able to support the survival and reproduction of all organisms living inside it
Answer:
Contract
Explanation:
The main proteins involved in muscle contraction are called actin and myosin.
Answer:
Protein synthesis occurs in the cytoplasm on ribonucleoprotein particles, the ribosomes.
Explanation:
hope it helps
1. without the atmosphere we would be freezing to detah
2. The atmosphere also protects us living things on Earth from the sun's harmful ultraviolet radiation
3.It also protects us from objects coming towards us from the sky such as a meteorite
4. It also provides oxygen for humans and animals so that we can breathe and also carbon dioxide for plants
I hope this helps!
