ATI TEAS 7
Biology
1. What is the term for a group of organisms living in the same place and interacting with each other?
- A. Ecosystem
- B. Community
- C. Population
- D. Niche
Correct answer: B
Rationale: Rationale: - A) Ecosystem refers to a biological community of interacting organisms and their physical environment. - B) Community specifically refers to a group of organisms of different species living in the same place and interacting with each other. - C) Population refers to a group of individuals of the same species living in the same area. - D) Niche refers to the role or function of an organism or species within an ecosystem. In this context, the term for a group of organisms living in the same place and interacting with each other is best described as a community because it involves multiple species interacting within a shared habitat.
2. What is the formula to calculate acceleration?
- A. Acceleration= Mass Force ​
- B. Acceleration= Force Mass ​
- C. Acceleration= Time Distance ​
- D. Acceleration= Time Change in Velocity ​
Correct answer: A
Rationale: Acceleration is calculated as the change in velocity divided by the time taken.
3. What part of speech is the underlined word in the sentence: "He felt a growing sense of unease"?
- A. Verb
- B. Noun
- C. Adjective
- D. Adverb
Correct answer: B
Rationale: "Sense" represents a concept or feeling, making it a noun here.
4. What does the term "solute" refer to in a solution?
- A. The substance present in the largest amount
- B. The substance that dissolves in the solvent
- C. The liquid portion of the solution
- D. The temperature at which the solution freezes
Correct answer: B
Rationale: The solute is the substance that dissolves in the solvent to form a solution. The other choices do not accurately describe the solute.
5. The formula for body mass index (BMI) is BMI = weight (kg) / height (m)^2. If a patient's BMI is 25 and their height is 1.7m, what is their weight?
- A. 34kg
- B. 45kg
- C. 56kg
- D. 68kg
Correct answer: C
Rationale: 56kg: Rearrange the formula to solve for weight: weight = BMI * height^2.
6. A symbiotic relationship where one organism benefits and the other is not harmed is called:
- A. Mutualism
- B. Commensalism
- C. Parasitism
- D. Predation
Correct answer: B
Rationale: Rationale: A) Mutualism: In mutualism, both organisms involved benefit from the relationship. B) Commensalism: In commensalism, one organism benefits while the other is neither helped nor harmed. This is the relationship described in the question. C) Parasitism: In parasitism, one organism benefits at the expense of the other organism, which is harmed. D) Predation: In predation, one organism (predator) kills and consumes another organism (prey) for food.
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