What are the three challenges of life? what kind of challenges can you see these organisms dealing with? (soil)

The right temperature because of climate change, it’s hard for ecosystems to survive

Explanation:

well we can't tell you because we cant see the time give a screen shot or something.

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.