ATI TEAS 7
Biology
1. The largest level of ecological organization is a:
- A. Population
- B. Community
- C. Ecosystem
- D. Biome
Correct answer: D
Rationale: Rationale: A) Population: A population consists of individuals of the same species living in the same area. It is a smaller level of ecological organization compared to a biome. B) Community: A community consists of populations of different species living and interacting in the same area. It is a larger level of organization than a population but smaller than an ecosystem or biome. C) Ecosystem: An ecosystem includes all living organisms (biotic factors) and their physical environment (abiotic factors) interacting in a particular area. It is a larger level of organization than a community but smaller than a biome. D) Biome: A biome is the largest level of ecological organization and encompasses a large geographic area characterized by a specific climate, vegetation, and animal life. Biomes can be found on multiple continents and are defined by similar abiotic and biotic factors.
2. The final sentence suggests that users should approach social media with a healthy dose of
- A. Enthusiasm and optimism about its potential for connection and engagement.
- B. Skepticism and critical thinking towards the information encountered online.
- C. Acceptance of its flaws and a passive reliance on its features for interaction.
- D. Indifference towards its impacts and an absence of any effort to manage its use.
Correct answer: B
Rationale: The emphasis on "critical thinking" and "skepticism" suggests the importance of approaching social media with a cautious and discerning mind, aligning with B
3. Which of the following is a functional group commonly found in alcohols?
- A. Carbonyl
- B. Hydroxyl
- C. Amine
- D. Ester
Correct answer: B
Rationale: The hydroxyl functional group (OH) is commonly found in alcohols. The other choices are associated with different functional groups.
4. Antidiuretic hormone (ADH) plays a crucial role in regulating water balance. When ADH levels are high, what happens to urine production?
- A. Urine production increases significantly
- B. Urine production decreases to conserve water
- C. There is no change in urine production
- D. The kidneys stop producing urine altogether
Correct answer: B
Rationale: When antidiuretic hormone (ADH) levels are high, it indicates that the body needs to conserve water. ADH works by increasing the permeability of the collecting ducts in the kidneys, allowing more water to be reabsorbed back into the bloodstream. This action leads to a decrease in urine production, as the body retains more water to maintain proper fluid balance. Therefore, the correct answer is B: 'Urine production decreases to conserve water.' High levels of ADH help the body prevent dehydration by reducing the amount of water lost in urine.
5. What are the building blocks of proteins?
- A. Sugars
- B. Fatty acids
- C. Amino acids
- D. Nucleotides
Correct answer: C
Rationale: Rationale: Proteins are macromolecules made up of long chains of amino acids. Amino acids are the building blocks of proteins and are linked together through peptide bonds to form polypeptide chains, which then fold into specific three-dimensional structures to carry out various functions in the body. Sugars (A) are the building blocks of carbohydrates, fatty acids (B) are the building blocks of lipids, and nucleotides (D) are the building blocks of nucleic acids like DNA and RNA.
6. Which sentence uses parallel structure correctly?
- A. I enjoy reading, watching movies, and to spend time with friends.
- B. Reading, watching movies, and spending time with friends are all activities I enjoy.
- C. like to read, watch movies, and spend time with friends.
- D. Reading, movies, and friends are all things I enjoy.
Correct answer: B
Rationale: Parallel structure means using the same grammatical form for elements in a list. Option (b) uses parallel gerunds ("reading," "watching," "spending"), making it the correct choice.
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