Which term refers to structures that have no apparent function but resemble functional structures in other organisms?
Homologous structures
Analogous structures
Vestigial structures
Adaptive structures
Correct Answer :
C. Vestigial structures
Related Questions
In humans, which hormone is responsible for the development of secondary sexual characteristics in males?
Estrogen
Progesterone
Testosterone
Prolactin
What type of plant tissue is responsible for transporting water and nutrients throughout the plant?
Epidermis
Xylem
Phloem
Cortex
Which of the following is NOT a method of bacterial reproduction?
Binary fission
Budding
Conjugation
Meiosis
Which type of behavior involves the establishment and maintenance of a territory for mating and/or obtaining resources?
Agonistic behavior
Courtship behavior
Dominance hierarchy
Territorial behavior
Which of the following is NOT part of the human digestive system?
Stomach
Liver
Kidney
Small intestine
Which biome is characterized by cold temperatures, permafrost, and a lack of trees?
Tundra
Desert
Tropical rainforest
Grassland
Homo sapiens originated on which continent?
Africa
Asia
Europe
South America
What is the term for the process by which animals change their physical and behavioral traits in response to seasonal changes?
Hibernation
Migration
Estivation
Camouflage
What is the term for the transfer of pollen from the male reproductive organ to the female reproductive organ of a flower?
Fertilization
Pollination
Germination
Embryo development
Which type of learning occurs when an animal associates a neutral stimulus with a meaningful stimulus to produce a response?
Classical conditioning
Operant conditioning
Habituation
Imprinting
Which microorganism is responsible for the majority of human yeast infections?
Bacteria
Virus
Fungus
Protist
Which process involves the copying of DNA into a complementary RNA molecule?
Transcription
Translation
Replication
Mutation
What is the term for the process by which plants lose water vapor through small openings in their leaves?
Transpiration
Photosynthesis
Respiration
Osmosis
What is the term for a gene that is expressed when present, even if only one copy is present in an individual's genotype?
Recessive
Dominant
Co-dominant
Allelic
What is the primary driver of the current global biodiversity crisis?
Habitat loss
Climate change
Pollution
Invasive species
What is the process by which a seed begins to grow into a new plant?
Fertilization
Pollination
Germination
Photosynthesis
What is the term for the maximum number of individuals of a species that an ecosystem can support indefinitely?
Carrying capacity
Population density
Limiting factor
Exponential growth
Which of the following is a bacterial disease that primarily affects the respiratory system and can be prevented by vaccination?
Tuberculosis
Malaria
Cholera
Whooping cough (Pertussis)
What is the name of the protein that carries oxygen in red blood cells?
Insulin
Hemoglobin
Collagen
Myoglobin
What is the term for a disease-causing microorganism?
Antibiotic
Parasite
Pathogen
Virus
What is the primary function of the fallopian tubes in the female reproductive system?
Menstruation
Fertilization of the egg by sperm
Implantation of the fertilized egg in the uterus
Production of estrogen
What is the process by which species evolve into more diverse forms over time?
Speciation
Convergent evolution
Divergent evolution
Coevolution
What is the role of the hypothalamus in the human brain?
Coordination of muscle movements
Regulation of body temperature and hormone secretion
Memory storage
Visual processing
Which cell organelle contains digestive enzymes and is involved in cellular waste disposal?
Mitochondria
Nucleus
Lysosome
Chloroplast
What is the name of the enzyme in saliva that begins the digestion of starches?
Pepsin
Amylase
Trypsin
Lipase
What is the main function of the respiratory system?
Regulation of blood sugar levels
Transportation of oxygen and carbon dioxide
Digestion of food
Filtration of blood
The relationship between a bee and a flower, where the bee obtains nectar and pollen while aiding in pollination, is an example of:
Mutualism
Parasitism
Competition
Commensalism
In angiosperms, what is the female reproductive structure that contains the ovules?
Stamen
Pistil (carpel)
Sepal
Petal
What is the function of the pancreas in the human body?
Digestion of proteins
Regulation of blood sugar levels
Filtration of blood
Production of bile
Which of the following is a viral disease transmitted through the bite of infected mosquitoes?
Tuberculosis
Malaria
Influenza
Lyme disease