Covalent bonds hold a me than molecule together
I believe it would be polyphyletic.
Polyphyletic groups are formed when two lineages convergently evolve similar character states. Organisms classified into the same polyphyletic group share phenetic homoplasies as opposed to homologies. The key difference between paraphyletic and polyphyletic groups is that paraphyletic contain their common ancestor, whereas polyphyletic groups do not.
Answer:
Excitement
Explanation:
Sympathetic nervous system is a type of autonomic nervous system that acts as an emergency system of the body.
Sympathetic nervous system prepares the body during fight and flight response. The energy is put out in this system and protects the body from the injury. During excitement the heart speeds up, blood pressure increases and more energy is available to the body. Hence, excitement is the characteristic of sympathetic division of nervous system.
Thus, the correct answer is option (b).
Alright cool... and saw what..?
Menstrual phase, begins at day 1 and lasts till approximately day 5. The uterus sheds its inner lining of soft tissue and blood vessels, which exits the body. Cramps are caused by the contraction of the uterine and the abdominal muscles to expel the menstrual fluid.