ATI TEAS 7
TEAS 7 science practice questions
1. What impact would the removal of a keystone species have in an ecosystem?
- A. Lead to a decrease in competition among other species
- B. Cause a slight increase in primary productivity
- C. Have a minimal impact on the overall ecosystem structure
- D. Disrupt the food web and cause cascading effects on other populations
Correct answer: D
Rationale: Keystone species play a crucial role in maintaining the balance and structure of an ecosystem due to their significant influence. If a keystone species is removed, it disrupts the delicate food web dynamics and can trigger cascading effects throughout the ecosystem. The disruption in predator-prey relationships can lead to population declines and even extinctions of other species. Options A, B, and C are incorrect because the removal of a keystone species would not decrease competition among other species, cause a slight increase in primary productivity, or have a minimal impact on the overall ecosystem structure. Instead, it would have a profound impact, disrupting the food web and causing cascading effects on other populations.
2. What are the components of the male external genitalia and their functions?
- A. Prostate gland: produces seminal fluid
- B. Scrotum: protects and maintains the temperature of the testes
- C. Penis: delivers sperm to female reproductive tract
- D. Urethra: conducts urine out of the body
Correct answer: C
Rationale: The correct answer is C. The penis is responsible for delivering sperm to the female reproductive tract during sexual intercourse. The scrotum is not involved in producing sperm but rather protects and regulates the temperature of the testes, which is essential for sperm production. The prostate gland is involved in producing seminal fluid, not sperm. The urethra serves the purpose of conducting urine out of the body and also acts as a passage for semen during ejaculation.
3. Which type of reasoning has the FBI agent used?
- A. Deductive Reasoning
- B. Conductive Reasoning
- C. Quantitative Reasoning
- D. Inductive Reasoning
Correct answer: D
Rationale: The correct answer is D: Inductive Reasoning. Inductive reasoning involves drawing general conclusions from specific observations or instances. In this case, the FBI agent is creating a theory based on observations of specific cases rather than applying a general rule to a specific situation (which would be deductive reasoning). Conductive reasoning is not a recognized type of reasoning, and quantitative reasoning involves interpreting and analyzing quantitative information.
4. What is the best way to punctuate the dialogue, 'Are you coming?' she asked. 'Maybe,' I replied.
- A. 'Are you coming?' she asked? 'Maybe,' I replied.
- B. 'Are you coming?' she asked. 'Maybe,' I replied.
- C. 'Are you coming?' she asked, 'Maybe,' I replied.
- D. 'Are you coming?' she asked, 'Maybe,' I replied.
Correct answer: B
Rationale: The correct way to punctuate dialogue is to enclose each speaker's words in quotation marks. Additionally, the question mark should be placed inside the closing quotation mark of the question. In this case, the correct answer is B as it adheres to the punctuation rules for dialogue. Each character's dialogue is correctly enclosed in quotation marks, and the question mark is appropriately positioned inside the closing quotation mark of the question. Choice A is incorrect as the question mark is placed outside the closing quotation mark of the question. Choice C is incorrect as it uses a comma instead of a period after 'she asked.' Choice D is incorrect as it uses a comma instead of a period after 'she asked' and incorrectly places the comma inside the closing quotation mark of the question.
5. What type of energy is stored in food?
- A. Mechanical energy
- B. Kinetic energy
- C. Chemical potential energy
- D. Thermal energy
Correct answer: C
Rationale: Food stores energy in the form of chemical potential energy. This energy is released during digestion and metabolism to provide the body with the energy it needs to function. It is derived from the bonds within the molecules of food, such as carbohydrates, fats, and proteins. Choice A, mechanical energy, is incorrect as food does not store energy in the form of mechanical energy. Choice B, kinetic energy, is incorrect as kinetic energy is associated with the motion of objects, not stored in food. Choice D, thermal energy, is incorrect as thermal energy relates to heat energy, which is not the primary form of energy stored in food.
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