What term describes the process by which animals adjust their internal biological clocks to match the daily cycle of light and dark in their environment?
Hibernation
Migration
Circadian rhythm
Nocturnal behavior
Correct Answer :
C. Circadian rhythm
Related Questions
What is the name of the protein that carries oxygen in red blood cells?
Insulin
Hemoglobin
Collagen
Myoglobin
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 function of the mitochondria?
Protein synthesis
Energy production
Lipid synthesis
Waste elimination
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)
Which process involves the copying of DNA into a complementary RNA molecule?
Transcription
Translation
Replication
Mutation
The smallest unit of a chemical element that retains the properties of that element is called:
Atom
Molecule
Cell
Tissue
In which plant tissue does most photosynthesis occur?
Epidermis
Xylem
Phloem
Mesophyll
Which cell organelle contains digestive enzymes and is involved in cellular waste disposal?
Mitochondria
Nucleus
Lysosome
Chloroplast
Which class of vertebrates includes animals with scales, a bony skeleton, and a two-chambered heart?
Mammals
Amphibians
Reptiles
Birds
What is the term for the physical appearance of an organism based on its genetic makeup?
Genotype
Phenotype
Allele
Homozygote
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
What is the function of the human liver?
Filtration of blood
Regulation of blood sugar levels
Production of bile and detoxification
Transport of oxygen
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
What is the function of the human respiratory system?
Regulation of blood sugar levels
Transportation of oxygen and carbon dioxide
Digestion of food
Filtration of blood
What is the term for the process by which modern humans gradually replaced archaic humans, such as Neanderthals, through migration and competition?
Speciation
Coevolution
Extinction
Out-of-Africa hypothesis
What term describes the role a species plays in its ecosystem, including its interactions with other species and its use of resources?
Niche
Habitat
Territory
Ecosystem role
Which organelle is responsible for protein synthesis?
Golgi apparatus
Ribosome
Endoplasmic reticulum
Lysosome
What is the term for the shedding of the uterine lining in the absence of pregnancy, resulting in menstruation?
Ovulation
Fertilization
Menarche
Menstruation
What is the process by which species evolve into more diverse forms over time?
Speciation
Convergent evolution
Divergent evolution
Coevolution
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 plant hormone is responsible for promoting cell elongation and growth in response to light?
Auxin
Gibberellin
Ethylene
Cytokinin
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 the smallest unit of the nervous system?
Neuron
Nerve
Ganglion
Brain
What is the process by which segments of DNA are shuffled during the formation of gametes, leading to genetic diversity?
Meiosis
Mitosis
Replication
Crossing over
Which biome is characterized by cold temperatures, permafrost, and a lack of trees?
Tundra
Desert
Tropical rainforest
Grassland
In humans, which hormone is responsible for the development of secondary sexual characteristics in males?
Estrogen
Progesterone
Testosterone
Prolactin
What is the primary source of energy for most ecosystems?
Wind
Water
Sunlight
Geothermal heat
In which type of plant tissue does most of the photosynthesis occur?
Xylem
Phloem
Epidermis
Mesophyll
What term describes the variety of different species in a particular habitat or ecosystem?
Species richness
Genetic diversity
Ecosystem diversity
Species evenness