TEAS Test 7 science quizlet

Questions 111

ATI TEAS 7

ATI TEAS 7 Test Bank

TEAS Test 7 science quizlet Questions

Question 1 of 5

What is the study of the geographical distribution of organisms and the factors that influence it known as?

Correct Answer: C

Rationale: Biogeography is the scientific discipline that focuses on studying the geographical distribution of organisms and the factors that influence their patterns of distribution. This field investigates the reasons behind why species are located where they are, taking into account historical events, ecological interactions, and physical geography. Paleontology (option A) specifically deals with the study of fossils and the history of life on Earth, mainly focusing on extinct organisms. Taxonomy (option B) is the science that involves classifying and naming organisms based on their characteristics. Population genetics (option D) is concerned with the study of genetic variation and evolutionary processes within populations of organisms. Therefore, in the context of studying the distribution of organisms across space and time, biogeography is the most appropriate choice.

Question 2 of 5

Which term best describes the gradual change in a species over time in response to environmental pressures?

Correct Answer: B

Rationale: A) Punctuated equilibrium refers to rapid bursts of evolution followed by long periods of stability, rather than gradual change over time in response to environmental pressures. B) Gradualism is the process by which species evolve through slow and continuous changes over time in response to environmental pressures. This gradual change can lead to the development of new traits and adaptations. C) Founder effect is a type of genetic drift that occurs when a small group of individuals establishes a new population, leading to a loss of genetic variation compared to the original population. It does not specifically describe the gradual change in a species over time. D) Adaptive radiation is the rapid diversification of a species into a variety of forms to exploit different ecological niches, but it does not specifically refer to the gradual change in response to environmental pressures. Therefore, the term that best describes the gradual change in a species over time in response to environmental pressures is 'Gradualism.'

Question 3 of 5

What is the muscular tube that transports sperm from the testes to the urethra called?

Correct Answer: B

Rationale: The correct answer is the vas deferens. It is the muscular tube responsible for carrying sperm from the testes to the urethra. After sperm is produced in the testes, it moves to the epididymis for maturation and storage. The seminal vesicle contributes fluid to semen, but it is not the tube that transports sperm. Cowper's gland also adds fluid to semen but is not involved in transporting sperm. Therefore, the vas deferens is the accurate choice for the muscular tube that transports sperm.

Question 4 of 5

Which blood vessels are responsible for carrying oxygenated blood away from the heart to the rest of the body?

Correct Answer: B

Rationale: Arteries are the blood vessels responsible for carrying oxygenated blood away from the heart to the rest of the body. Their thick, muscular walls allow them to withstand high pressure and efficiently transport blood to various tissues and organs throughout the body. Veins (choice A) carry deoxygenated blood back to the heart, capillaries (choice C) facilitate the exchange of nutrients and waste products between the blood and tissues, and venules (choice D) are small blood vessels that collect blood from the capillaries and gradually converge into veins.

Question 5 of 5

What are the white blood cells responsible for coordinating the immune response called?

Correct Answer: C

Rationale: Lymphocytes, which include B cells, T cells, and natural killer cells, are responsible for coordinating the immune response. They play a crucial role in recognizing and fighting against pathogens and foreign substances in the body. Red blood cells are responsible for oxygen transport, platelets aid in blood clotting, and neutrophils are white blood cells primarily involved in combating infections. Therefore, the correct answer is C, lymphocytes, as they are specifically involved in coordinating immune responses.

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