Answer:
Read the Quran. it tells you how did it begin
Answer:
B
Explanation:
Homeostasis is defined as a regulating process to maintain balance within the body systems. It is to maintain the interior conditions and ensure that nothing goes wrong or out of the ordinary. Choice B matches this.
A is incorrect because homeostasis can occur <em>both</em> at the cellular level <em>and</em> at the system level.
C is incorrect because homeostasis actually occurs in prokaryotes, as well.
D is incorrect because both A and C are wrong.
Hope this helps!
The right answer is 4).
The cytoskeleton is made up of biological polymers of proteins, sometimes called fibers because of their large size at the cellular level. They are classified into three categories:
Microfilaments: involves in cytoplasmic phenomena (division, endocytosis, migration).
Intermediate filaments: Maintenance of the nucleus structure.
Microtubules: Involved in the separation of chromosomes during mitosis.
F, Cl, Br, I, At, and Uus are all halogens.