Answer:
b........................
Natural selection a process that occurs over successive generations and is defined as the differential reproduction of genotypes. Natural selection requires heritable variations in a given trait
Answer:
a mucus or a gelatinous sheath
Explanation:
Most species of cyanobacteria are enclosed in a gelatinous sheath which is made up of proteins.
Answer:
1. a
2. b
Explanation:
I'm sorry I know only these 2 :)
