Answer: One way of creating a variation in a population is through genetic replication errors. This will make a new type of alleles. Environmental factors cause variation such as affecting enzyme activity and function. The changes would show in the phenotype of an organism.
Explanation: thus is one way ik for sure another way idk srry
Answer:
it mostly controls all activites
Explanation:
the cell is main structural and functional unit of life in an animal body so without an animal cell the body won't function at all
None, the answer would be 2500
Answer:
Abiotic is basically a non living factor so the answer is
D. Sunlight, temperature , conductivity, dissolved oxygen.
All other options contain one biotic or living factor like algae, star fish and crabs these aren't Abiotic.
Answer:
1. B Prokaryotes lack a nucleus and membrane-bound organelles
2. C glucose