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
Correct Answer :
D. Out-of-Africa hypothesis
Related Questions
Which organelle is responsible for protein synthesis?
Golgi apparatus
Ribosome
Endoplasmic reticulum
Lysosome
Which bone in the human body is often referred to as the collarbone?
Radius
Femur
Clavicle
Tibia
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
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
Which cell organelle contains digestive enzymes and is involved in cellular waste disposal?
Mitochondria
Nucleus
Lysosome
Chloroplast
What is the largest organ in the human body?
Brain
Liver
Skin
Heart
What is the term for the process by which a pathogen is recognized and neutralized by the immune system upon subsequent exposure?
Vaccination
Antibody production
Immunity
Immune response
The study of the geographic distribution of species is known as:
Biogeography
Ecology
Ethology
Taxonomy
What is the term for a change in the sequence of DNA that can be passed on to offspring?
Gene flow
Genetic drift
Mutation
Natural selection
Which of Mendel's laws states that alleles for different genes segregate independently during gamete formation?
Law of Dominance
Law of Independent Assortment
Law of Segregation
Law of Inheritance
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
Which class of vertebrates includes animals with scales, a bony skeleton, and a two-chambered heart?
Mammals
Amphibians
Reptiles
Birds
Which of the following is an example of an invasive species?
Native grasses in their natural habitat
A non-native tree planted in a garden
A species that naturally occurs in a specific ecosystem
A species that is endangered
Which part of a plant is responsible for producing seeds?
Stem
Leaf
Flower
Root
What is the primary function of the root system in plants?
Photosynthesis
Anchoring the plant and absorbing water and nutrients
Producing flowers and fruits
Transporting sugars
In humans, which hormone is responsible for the development of secondary sexual characteristics in males?
Estrogen
Progesterone
Testosterone
Prolactin
Which of the following is NOT part of the human digestive system?
Stomach
Liver
Kidney
Small intestine
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
Homo sapiens originated on which continent?
Africa
Asia
Europe
South America
What is the process by which species evolve into more diverse forms over time?
Speciation
Convergent evolution
Divergent evolution
Coevolution
What is the primary driver of the current global biodiversity crisis?
Habitat loss
Climate change
Pollution
Invasive species
What term describes the variety of different species in a particular habitat or ecosystem?
Species richness
Genetic diversity
Ecosystem diversity
Species evenness
Which term refers to the variety of life on Earth, including the diversity of species, ecosystems, and genetic variation within species?
Sustainability
Biodiversity
Ecology
Conservation
Which of the following is NOT a method of bacterial reproduction?
Binary fission
Budding
Conjugation
Meiosis
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 study of human societies, cultures, and behaviors?
Sociology
Anthropology
Psychology
Archaeology
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
Which of the following is a female reproductive disorder characterized by the growth of abnormal tissue in and around the uterus?
Endometriosis
Ovarian cysts
Polycystic ovary syndrome (PCOS)
Ectopic pregnancy
Which species is believed to be the closest ancestor to modern humans?
Neanderthals
Homo erectus
Australopithecus afarensis
Homo habilis
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