Q: What process would be impossible without some variation in the inherited traits of organisms within a species? Choices: - environmental selection - darwin's selection - characteristic selection - natural selection A:
natural selection

(Question)
Q: After dispersal of a seed, what next step may occur if environmental conditions are favorable? Choices: - bloom - degradation - infection - germination A:
(Answer)
germination

Ques: Q: What is the term for evolution over geologic time above the level of the species? Choices: - mutation - speciation - microevolution - macroevolution A:
Ans: macroevolution

(Q).
Q: The number of particles of a substance in a given volume is known as? Choices: - frequency - range - mass - concentration A:
(A).
concentration

Ques:Q: Which is the best way to maintain a strong, fit body? Choices: - bodybuilding - regular exercising - being a vegetarian - a healthy diet A:

Ans:a healthy diet

Question: Q: Rising air currents carry water vapor into what? Choices: - stratosphere - ionosphere - troposphere - atmosphere A:
Answer:
atmosphere