Answer:
Tundra
Explanation:
Ocean is the most stable biome, provides the majority of earths food and oxygen.
Rainforest provide 20% of earths food production. Also stable.
Grasslands although the don't get much rain it doesn't compare to the harsh weather that Tundra's face.
Tundra's is a very fragile environment. The freezing cold temperatures makes it a very difficult environment to survive in the winter, and plants and animals have a hard time coping with any extra stresses and disturbances. Therefore making it the least stable out of the rest listed.
Answer:
The correct answer is - acidic and basic
Explanation:
Traits that have 3 or more phenotypes may be the result of MULTIPLE alleles, I believe. Hope that helps!
I think it’s both structures are involved in transporting oxygenated blood!!
