Q: What important and unusual physical property (for birds) do ostriches and penguins share? Choices: - waterproofness - webbed feet - bonelessness - flightlessness A:
flightlessness

(Question)
Q: What part of the body do hookworms infest? Choices: - lungs - skin - brain - intestines A:
(Answer)
intestines

Ques: Q: At the time of birth, bones of the brain case are separated by what wide areas of fibrous connective tissue, which later become sutures? Choices: - fluctuations - cerebellum - sporozoans - fontanelles A:
Ans: fontanelles

(Q).
Q: Name a passageway that is shared with the digestive system. Choices: - esophagus - trachea - larynx - pharynx A:
(A).
pharynx

Ques:Q: What do we call structures that are similar in related organisms because they were inherited from a common ancestor? Choices: - monogamous - polylogous - filamentous - homologous A:

Ans:homologous

Ques: Q: What is the set of steps that scientists use to learn about the world? Choices: - philosophic method - rhythm method - Socratic method - scientific method A:
Ans:
scientific method