Answer:
Oxygen levels are generally thought to have increased dramatically about 2.3 billion years ago. Photosynthesis by ancient bacteria may have produced oxygen before this time. ... In addition, early plants and algae began to release oxygen at a faster rate. Oxygen levels then showed a dramatic increase.
Answer:
The correct answer is - vernix caseosa.
Explanation:
Vernix caseosa is white, cheese-like appearing substances that form naturally and rich in a lipid that covers and protects the skin of baby. It is produced by the sebaceous glands.
It also provides protection to a neonatal after birth from infection as they contain anti-infection, anti-inflammatory properties with various antioxidants in it.
Thus, the correct answer is - Vernix caseosa.
Answer:
- Beneficial traits are selected based on the environment.
Explanation:
<em>The Bloodhound dog breed was bred in the middle ages for an excellent sense of smell to be used for hunting.</em>
Answer:
False i think sorry if I'm wrong