Choose the One Most Appropriate Answer for Each

question 63

Multiple Choice

Choose the one most appropriate answer for each.
-LH

• A)Acts to trigger ovulation in females
• B)Structures that secrete fructose-rich fluid used as sperm energy source
• C)Forms as an outgrowth of the yolk sac; becomes part of umbilical cord and urinary bladder
• D)A drug that causes severely deformed arms and legs in developing embryos
• E)Sperm enter this coiled duct on its way to vas deferens
• F)Opening between uterus and vagina
• G)Organ that supplies the mammalian embryo/fetus with nutrients and removes wastes
• H)Connects epididymis with ejaculatory duct
• I)Hormone that stimulates smooth muscle contractions in male and female reproductive tracts
• J)Cap over the head of a sperm; contains lytic enzymes to penetrate egg membranes
• K)Inner cell mass plus trophoblast; attaches to uterine wall
• L)Testosterone-secreting cells in the testis
• M)Sensitive to sexual stimulation; develops from same embryonic tissues as does the penis in males
• N)The uterine lining
• O)Stimulates maturation of an ovarian follicle

Distinguish between lurking and confounding variables and their impact on research conclusions.

Interpret the limitations of observational studies in establishing causality.

Recognize the importance of sample selection and its implications for research findings.

Analyze the scope and nature of conclusions that can be drawn from experimental studies.

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Definitions:

Pollution Prevention

The practice of reducing or eliminating waste and pollutants at their sources, prior to recycling, treatment, or disposal.

Freshwater Lake

A large body of standing water that contains low concentrations of dissolved salts, distinct from sea water, providing habitat for a diverse range of organisms.

Cultural Eutrophication

The process by which water bodies become enriched with nutrients from human activity, leading to excessive growth of algae and deterioration of water quality.

Game Fish

Describes species of fish targeted for recreational fishing, often subject to specific regulations regarding their capture, to conserve and manage populations.