Human reaction time can introduce variability in measurements, leading to random errors.

Coughing is a common symptom of COPD, often accompanied by mucus production and difficulty breathing.

Increased thirst is a common symptom of diabetes due to high blood sugar levels.

High fever is a common symptom of influenza, along with other symptoms like cough and body aches.

Nausea, often referred to as morning sickness, is a common symptom experienced during early pregnancy.

Unusual discharge is a common symptom associated with many sexually transmitted infections.

Unusual discharge is a common symptom associated with many sexually transmitted infections.

Bacteria are used in agriculture for various purposes, including as pesticides, fertilizers, and for nitrogen fixation.

Caffeine is primarily used as a stimulant to increase alertness and reduce fatigue.

Glycerol is used in food as a sweetener, preservative, and thickening agent, making it versatile in food applications.

Glycerol is used as a preservative, moisturizer, and sweetener in various products.

Microbes are used in agriculture for various purposes, including biopesticides and fertilizers.

Phenol is widely used as a disinfectant due to its antimicrobial properties.

Probiotics are beneficial bacteria that help improve gut health and can prevent infections.

Sulfur is used in fertilizers, explosives, and rubber production.

Yeast is commonly used in bread making due to its ability to ferment sugars and produce carbon dioxide.

Plasmids are commonly used as vectors in gene cloning because they can replicate independently within a host cell.

Plasmids are commonly used as vectors to transfer genetic material into host cells in genetic engineering.

Homo sapiens is the correct example of binomial nomenclature, where the genus name is capitalized and the species name is in lowercase.

The correct expression for electric current is I = V/R, according to Ohm's law.

Cyclohexane is a cyclic hydrocarbon with a ring structure.

The ability to reproduce is a defining characteristic of life, while the others may not apply to all living organisms.

Annelids, such as earthworms, are characterized by their segmented bodies, which is a defining feature of this phylum.

The kingdom Animalia is defined by multicellular and heterotrophic organisms.

Annelids, such as earthworms, are characterized by their segmented bodies.

Mollusca includes soft-bodied animals, many of which have a hard shell for protection.

Food availability is a density-dependent factor because its effect on population growth changes with population density.

All of the above options are direct threats to biodiversity, affecting species and ecosystems.

Asexual reproduction lacks genetic variation, which can make populations more vulnerable to diseases and environmental changes.

HIV/AIDS is caused by the Human Immunodeficiency Virus (HIV), which is a virus.