ASAP please answer all. this I a huge assignment and I need help. Will mark crown/Brainliest

1. A food chain shows how energy is transferred from one living organism to another via food.

2. he nutrients are taken up by plants through their roots

3. The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water. This establishes the beginning of energy flow through almost all food webs.

Explanation:

d. planting trees

the trees take in carbon to make oxygen.