Q: What is the term for the skeletal structure of the head that supports the face and protects the brain? Choices: - ribcage - pelvis - thorax - cranium (skull) A:
cranium (skull)

(Question)
Q: The hepatitis virus attacks only cells of what organ? Choices: - lungs - kidney - brain - liver A:
(Answer)
liver

Ques: Q: Vertebrates. from the smallest of fish to us. one of the main features we all have in common is our what? Choices: - hair - warm blood - laying eggs - backbone A:
Ans: backbone

(Q).
Q: What is the term for animals that defend their area? Choices: - predatory - Grazing - contain - territorial A:
(A).
territorial

Ques:Q: Why are exotic species also called invasive species? Choices: - disregard other species - imitate other species - help other species - threaten other species A:

Ans:threaten other species

Ques:Q: Evolution over a short period of time at the level of the population is called what? Choices: - grammaticalization - redistributions - macroevolution - microevolution A:

Ans:
microevolution