Answer:
DNA changes in a gene are called mutations. ... The environment can also cause DNA mutations. Sunlight, cigarette smoke, and radiation are all known to cause changes to our DNA. These are also random and can happen anywhere in the DNA sequence.
Answer:
contractile vacuole
Explanation:
contractile vacuole is used for balance of water,salt etc
Answer:
Activities such as harvesting natural resources, industrial production and urbanization are human contributions to habitat destruction. Pressure from agriculture is the principal human cause. Some others include mining, logging, trawling, and urban sprawl.
Explanation:
Hope this helped Mark BRAINLIEST!!!
The answer for your question is D
