I believe the answer is c
Answer: Some mutations have a positive effect on the organism in which they occur. They are called beneficial mutations. They lead to new versions of proteins that help organisms adapt to changes in their environment. ... The mutations lead to antibiotic-resistant strains of bacteria. brainliest?
Explanation:
Answer:
Oxygen and nitrogen
Explanation:
Oxygen and nitrogen are very electronegative than any other element in the periodic table hence they have more tendency to attract an electron towards itself
Answer: A) Tropical regions have more available niches into which new species can occupy.
Explanation: USATestPrep