Q: Dutch elm trees used to be common, beautiful trees in the united states. now most of them have been killed by what? Choices: - carbon dioxide - beetles - cancer - dutch elm disease A:
dutch elm disease

(Question)
Q: What does the megaspore mother cell produce after meiosis division? Choices: - four diploid megaspores - two diploid megapores - two haploid megaspores - four haploid megaspores A:
(Answer)
four haploid megaspores

Ques: Q: What organelles are known as the energy "powerhouses" of the cells? Choices: - proteins - atoms - carbohydrates - mitochondria A:
Ans: mitochondria

(Q).
Q: Whereas each cell shares the same genome and dna sequence, each cell does not turn on, or express, the same set of what? Choices: - babies - eggs - balls - genes A:
(A).
genes

Ques:Q: "cardio" has become slang for what type of exercise that raises your heart rate for an extended amount of time? Choices: - cyclical - kinetic - anaerobic - aerobic A:

Ans:aerobic

Ques:Q: Which gas do people exhale during each breath? Choices: - carbon monoxide - nitrogen - oxygen - carbon dioxide A:

Ans:
carbon dioxide