Human Health — Cumulative exam Answers
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How does conservation affect biodiversity?
A
It helps to preserve climate change.B
It decreases species diversity.C
It helps to preserve biodiversity.D
It decreases ecosystem diversity.22
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What does a karyotype show?
A
genetic abnormalitiesB
relationships among family membersC
carriers of a genetic disorder in a familyD
alleles on each chromosome23
How does a catalyst influence a chemical reaction?
A
It speeds up or slows down a chemical reaction by direct participation.B
It reacts with products to increase the concentration of reactants.C
It decreases the amount of energy necessary for the reaction to proceed.D
It increases the total amount of products formed.24
The data in the graph are the result of a paramecium being placed in a hypertonic salt solution.Based on the data in the graph, which would most likely happen if the paramecium were placed in distilled water?
A
The contractions would increase.B
The contractions would decrease.C
The contractions would cease altogether.D
The contractions would establish dynamic equilibrium.25
A feature in the early hominid was her apelike shoulders and forelimbs, but a pelvis that indicated that most of her body weight lay above her pelvis. Which best describes the fossil?
A
Scientists call her Wise Human and her apelike structure indicates a common ancestor to chimpanzees.B
Scientists called her Lucy and her pelvis indicates she could walk upright.C
Scientists call her Handy Human and her apelike structure indicates she could use tools like chimpanzees.D
Scientists call her Upright Human because of the location of the pelvis.Did you find these answers helpful?
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