Which of the best explanation of directional natural selection occur by change in environmental condition?

A. Increase in the frequency of dark-colored mutants in polluted areas, became known as industrial melanism

B. Numerous insect pests become resistant to insecticides and numerous bacteria become resistant to antibiotics.

C. A plant that is too short may not be able to compete with other plants for sunlight. However, extremely tall plants may be more susceptible to wind damage

D- Beetles move into a new environment with patches of light-green moss and dark-green shrubs, both light and dark beetles might be better hidden (and survive better) than medium-green beetles

TLS Online TPP Program

#Question id: 11965

#Unit 7. System Physiology – Animal

Which of the following organs is correctly paired with its function?

TLS Online TPP Program

#Question id: 11966

#Unit 7. System Physiology – Animal

Stomach cells are moderately well adapted to the acidity and protein-digesting activities in the stomach by having ________.

TLS Online TPP Program

#Question id: 11967

#Unit 7. System Physiology – Animal

The function of chylomicrons is to ________.

TLS Online TPP Program

#Question id: 11968

#Unit 7. System Physiology – Animal

 Upon activation by stomach acidity, the secretions of the parietal cells ________.

TLS Online TPP Program

#Question id: 11969

#Unit 7. System Physiology – Animal

What is the importance of the mucus that are released by salivary glands?

TLS Online TPP Program

#Question id: 11970

#Unit 7. System Physiology – Animal

Why do the cells of the digestive system secrete proteolytic enzymes, such as pepsin, in their inactive forms?