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:
<span>The answer is: Strata</span>
The answer is D. Telegraph, telephone, cordless phone , mobile
It would be osmosis because osmosis is the diffusion of water through a selective membrane.
Chromosome is to cactus as gene is to needle.