D
This is because of greenhouse gases and polution.
Answer:
D. groups organisms based on similarities related to their structure and evolution.
Explanation:
organisms are divided into 7 : domain - kingdom- phylum- class- order- family- genus- species, based on their structure and evolution.
Secondary structures are dependent upon hydrogen bonding. The two main types of secondary structure are the a-helix and the B-sheet. The a-helix is a right-handed coiled strand.
Answer:
They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars
Explanation:
