W8 T2 QUIZ CHAPTER 3 AND 7.2

Which of the following explains disruptive selection?

• Only intermediate phenotypes are favored.

• Both extreme phenotypes are favored over intermediate phenotypes.

• One extreme phenotype is favored.

• No selection occurs.

Carbon dioxide binds to the haem group of haemoglobin for transport in the blood.

• True

• False

Carbon dioxide binds to the ________ group of haemoglobin for transport in the blood.

Which chemoreceptor detects a decrease in pH in the cerebrospinal fluid?

• Peripheral chemoreceptor

• Central chemoreceptor

• Carotid bodies

• Aortic bodies

Peripheral chemoreceptors are located in the medulla oblongata.

• True

• False

Peripheral chemoreceptors located in the walls of __________ and aorta detect changes in blood pH.

In cellular respiration, ATP is produced through two types of phosphorylation: oxidative phosphorylation and ______________ phosphorylation.

In stabilizing selection, individuals with extreme traits have higher fitness than those with intermediate traits.

• True

• False