Ques: Q: All chordates are deuterostomes possessing a what? Read this paragraph and choose the correct option from the provided answers: Figure 29.2 All chordates are deuterostomes possessing a notochord. Choices: - zygote - hydrochord - endoderm - notochord A:
Ans: notochord

Ques: Q: Cigarettes are a major source of what kind of chemical substances linked with cancer? Read this paragraph and choose the correct option from the provided answers: Courtesy of the CDC/Debora Cartagena. Cigarettes are a major source of chemical carcinogens . Choices: - chemicals - pesticides - alkaloids - carcinogens A:
Ans: carcinogens

Ques: Q: What step, involving placement of a substance on the stigma, precedes fertilization? Read this paragraph and choose the correct option from the provided answers: Choices: - mitosis - spawning - hibernation - pollination A:
Ans: pollination

Ques: Q: Many parasites have complex life cycles involving multiple ? Read this paragraph and choose the correct option from the provided answers: Choices: - features - viruses - diseases - hosts A:
Ans:
hosts