anthro full Flashcards
anthro full
DNA & Its Replication: What is DNA responsible for storing
,Genetic information in organisms (excluding RNA viruses).
DNA & Its Replication: What are the components of a DNA molecule
,Nucleotides with a phosphate group, pentose sugar, and nitrogen base.
DNA & Its Replication: When does DNA replication occur in the cell cycle
,During the S-phase of the cell cycle.
DNA & Its Replication: What is the nature of DNA replication
,Semi-conservative, with a primer required for initiation.
DNA & Its Replication: What role do RNA primers play in replication
,Ensuring accurate synthesis initiation.
DNA & Its Replication: How does elongation occur in replication
In both leading and lagging strands, with the leading strand synthesized continuously
DNA & Its Replication: When does termination happen in replication
,When replication bubbles meet.
DNA & Its Replication: Why is replication vital for organisms
,Vital for growth, reproduction, repair, and adaptation. Uncontrolled replication can lead to cancer.
Protein Synthesis: What is protein synthesis
,A fundamental process where cells build specific proteins using DNA and various RNA.
Protein Synthesis: What are the two main steps of protein synthesis
,Transcription and Translation.
Protein Synthesis: Where does transcription occur
,In the nucleus.
Protein Synthesis: What is the role of mRNA in protein synthesis
,Used as a template to create messenger RNA (mRNA).
Protein Synthesis: Where does translation take place
,On ribosomes in the cytoplasm.
Protein Synthesis: What does tRNA do in protein synthesis
,Brings amino acids to the ribosome based on the mRNA sequence.
DNA & Its Replication: What does DNA store in organisms
,Genetic information (excluding RNA viruses).
DNA & Its Replication: What are the components of a DNA nucleotide
,Phosphate group, pentose sugar, and nitrogen base.
DNA & Its Replication: When does DNA replication occur in the cell cycle
,During the S-phase of the cell cycle.
DNA & Its Replication: What is the nature of DNA replication
,Semi-conservative, with a primer required for initiation.
DNA & Its Replication: What role do RNA primers play in replication
,Ensuring accurate synthesis initiation.
DNA & Its Replication: Where does elongation occur in replication
,In both leading and lagging strands, with the leading strand synthesized continuously.
DNA & Its Replication: When does termination happen in replication
,When replication bubbles meet.
DNA & Its Replication: Why is replication vital for organisms
,Vital for growth, reproduction, repair, and adaptation. Uncontrolled replication can lead to cancer.
Protein Synthesis: What is protein synthesis
,A fundamental process where cells build specific proteins using DNA and various RNA.
Protein Synthesis: What are the two main steps of protein synthesis
,Transcription and Translation.
Protein Synthesis: Where does transcription occur
,In the nucleus.
Protein Synthesis: What is the role of mRNA in protein synthesis
,Used as a template to create messenger RNA (mRNA).
Protein Synthesis: Where does translation take place
,On ribosomes in the cytoplasm.
Protein Synthesis: What does tRNA do in protein synthesis
,Brings amino acids to the ribosome based on the mRNA sequence.
Protein Synthesis: What does the sequence of amino acids form in proteins
,The primary structure of proteins.
Protein Synthesis: How does protein synthesis occur in ribosomes
,Simultaneously in multiple ribosomes.
Protein Synthesis: When is the complete protein structure formed
,When the amino acid sequence folds into a three-dimensional shape.
Cell: What is the definition of a cell
,Smallest structural and functional unit of an organism, typically microscopic, consisting of cytoplasm and a nucleus enclosed in a membrane.
Cell Cycle: What is the cell cycle
,Actively dividing eukaryote cells pass through stages collectively known as the cell cycle. Stages include G1, S, G2, and M phase. Cells grow, copy chromosomes, and divide to form new cells.
Cell Cycle Phases: What is the G1 Phase
,Metabolic changes prepare the cell for division. The cell is committed to division at the restriction point.
Cell Cycle Phases: What is the S Phase
,DNA synthesis replicates genetic material. Chromosomes consist of two sister chromatids after replication.
Cell Cycle Phases: What is the G2 Phase
,Metabolic changes assemble cytoplasmic materials necessary for mitosis and cytokinesis.
Cell Cycle Phases: What is the M Phase
,Nuclear division (mitosis) followed by cell division (cytokinesis).
Cell Cycle Phases: What is Interphase
,Period between mitotic divisions (G1, S, and G2 phases).
Mitosis vs. Meiosis: What is Mitosis
,Produces genetically identical daughter cells. Chromosomes replicate and divide, ensuring each daughter cell has a full set.
Mitosis vs. Meiosis: What is Meiosis
,Produces haploid sex cells (sperm and egg) with half the normal number of chromosomes. Involves two successive nuclear and cellular divisions.
Stages of Mitosis: What happens in Prophase
,Nuclear membrane breaks down, chromosomes condense, centrosomes duplicate.
Stages of Mitosis: What happens in Prometaphase
,Chromosomes migrate to the metaphase plate, spindle fibers bind to kinetochores.
Stages of Mitosis: What happens in Metaphase
,Chromosomes align along the metaphase plate.
Stages of Mitosis: What happens in Anaphase
,Sister chromatids are pulled apart and move to opposite ends.
Stages of Mitosis: What happens in Telophase
,Nuclear membrane reforms, chromosomes uncoil, spindle fibers disappear.
Cytokinesis and Meiosis: What is Cytokinesis
,Final cellular division to form two new cells.
Cytokinesis and Meiosis: What is Meiosis I
,Reduces the cell from diploid to haploid. Involves prophase I, prometaphase I, metaphase I, anaphase I, and telophase I.
Cytokinesis and Meiosis: What is Meiosis II
,Separates each chromosome into two chromatids. Generates genetic diversity.
Importance of Cell Division: Why is cell division important
,Essential for the continuity of life and evolution.
Asexual reproduction in unicellular organisms.
Basis of repair and regeneration in multi-cellular organisms.
Life starts from a single cell (zygote) in multi-cellular organisms.
Rhodesian Man: Where were the fossils of Rhodesian Man found
,Broken Hill, Northern Rhodesia (Africa).
Rhodesian Man: When did Rhodesian Man live
,About 200,000 years ago.
Rhodesian Man: What cultural evidence is associated with Rhodesian Man
,Bone and stone implements found.
Some similarities to tools used by modern Bushmen.
Limited evidence for drawing conclusions.
Rhodesian Man: How is Rhodesian Man classified phylogenetically
,Considered African variety of Neanderthal.
Opinions differ on classification - Homo rhodesiensis or Cyphanthropus Rhodesiensis.
Comparative Account: Cro-Magnon Man: When did Cro-Magnon Man live
,Estimated age: 30,000 - 40,000 years ago.
Comparative Account: Cro-Magnon Man: Where was Cro-Magnon Man discovered
,France in 1868.
Comparative Account: Cro-Magnon Man: What tools are associated with Cro-Magnon Man
,Bow & Arrow, spears, harpoons.
Comparative Account: Chancelede Man: Where was Chancelede Man found
,Near Chancelede (France) in 1808.
Comparative Account: Grimaldi Man: Where was Grimaldi Man found
GMI
,Garimaldi Village near Mentone, Italy.
Asian Homo erectus: Where were fossils of Asian Homo erectus found in Southeast Asia
,Indonesia - Sangiran, Java
Asian Homo erectus: Where were fossils of Asian Homo erectus found in East Asia
,China - Zhoukoudian, Peking
Asian Homo erectus: What is the average weight of Sangiran, Java Homo erectus
,70 kg
Asian Homo erectus: What is the average weight of Zhoukoudian, Peking Homo erectus
,50 kg
Asian Homo erectus: Compare the skull sizes of Sangiran, Java, and Zhoukoudian, Peking Homo erectus
,Sangiran, Java has a smaller skull, while Zhoukoudian, Peking has a larger skull
Asian Homo erectus: Compare the cranial capacities of Sangiran, Java, and Zhoukoudian, Peking Homo erectus
,Sangiran, Java has an average of 800 CC, while Zhoukoudian, Peking has an average of 1075 CC
Asian Homo erectus: Describe the cranial bones of Sangiran, Java Homo erectus
,Not so thick & massive
Asian Homo erectus: Describe the cranial bones of Zhoukoudian, Peking Homo erectus
,Extremely thick & massive
Asian Homo erectus: Compare the prominence of cranial sutures in Sangiran, Java, and Zhoukoudian, Peking Homo erectus
,Sangiran, Java has more prominent cranial sutures, while Zhoukoudian, Peking appears to be of an early stage with less prominent sutures
Asian Homo erectus: Compare the foreheads of Sangiran, Java, and Zhoukoudian, Peking Homo erectus
,Both have a receding forehead, with Sangiran, Java having a more or less flat frontal region, and Zhoukoudian, Peking showing a bump-like development
Asian Homo erectus: Compare the supra-orbital ridges of Sangiran, Java, and Zhoukoudian, Peking Homo erectus
,Both have heavy and continuous supra-orbital ridges
Asian Homo erectus: Compare the occipital regions of Sangiran, Java, and Zhoukoudian, Peking Homo erectus
,Sangiran, Java has a broad & rounded occipital region, while Zhoukoudian, Peking has a more or less narrow & elongated occipital region
Asian Homo erectus: Compare the palates of Sangiran, Java, and Zhoukoudian, Peking Homo erectus
,Sangiran, Java has a smooth palate, while Zhoukoudian, Peking has a rough palate
Asian Homo erectus: Compare the lower canines of Sangiran, Java, and Zhoukoudian, Peking Homo erectus
,Sangiran, Java has smaller lower canines, while Zhoukoudian, Peking has larger lower canines
Asian Homo erectus: Compare the presence of a diastema in the upper dental arch in Sangiran, Java, and Zhoukoudian, Peking Homo erectus
,Sangiran, Java has a diastema in the upper dental arch, while Zhoukoudian, Peking has no material evidence of a diastema
Asian Homo erectus: Compare the sizes of molars & incisors in Sangiran, Java, and Zhoukoudian, Peking Homo erectus
,Sangiran, Java has larger molars & incisors, while Zhoukoudian, Peking has smaller molars & incisors
Asian Homo erectus: Compare the presence of Linea Aspera in Sangiran, Java, and Zhoukoudian, Peking Homo erectus
,Sangiran, Java has Linea Aspera present, while there is no material evidence of Linea Aspera in Zhoukoudian, Peking
Homo erectus Culture: What are some socio-cultural features of Homo erectus
,Use of fire,
tools such as chopper-chopping, hand axe, and cleavers.
Lived naked without clothing.
Lived in groups, involved cooperation, and used some form of language.
Homo erectus Culture: When did Homo erectus originate
,1.6 - 0.12 million years ago.
Homo erectus Culture: How did Homo erectus adapt to environmental challenges
,Through cultural means,
using fire and hunting big game with sophisticated tools.
Nomadic lifestyle with small populations.
Belonging to the Chellean and Acheulian traditions.
Homo erectus Culture: What is the significance of Homo erectus in human evolution
,First undisputed member of genus Homo,
adapting to the environment through the use of stone tools and fire,
showcasing a significant step in the development of humankind.
Comparison: La-Chapelle-aux-Saints vs. Mt. Carmel Neanderthals: What are the cranial characteristics of La-Chapelle-aux-Saints Neanderthals
l l l m p l l p f b a s l r
,Larger and broader skull.
Lower cranial capacity (1600 CC).
Lower cephalic index.
More receding forehead.
Protruding occipital region.
Large and continuous supra-orbital ridge.
Less rounded orbits.
Projecting upper jaw.
Flat cheek.
Broad and large nose
. Absent chin.
Stockier body build.
Longer and prognathous face.
Rough skull surface.
Comparison: La-Chapelle-aux-Saints vs. Mt. Carmel Neanderthals: What are the cranial characteristics of Mt. Carmel Neanderthals
s h h l l c m n b l w m s l
,Smaller and less broad skull.
Higher cranial capacity.
Higher cephalic index.
Less receding forehead.
Less protruding occipital region.
Continuous but tends to separate in the middle supra-orbital ridge.
More rounded orbits. Not projecting upper jaw.
Bulging cheek.
Less broad nose.
Well-developed chin.
Medium body build. Shorter face.
Less rough skull surface.
Comparison: La-Chapelle-aux-Saints vs. Mt. Carmel Neanderthals: What are the postcranial features of both types of Neanderthals
,Similar postcranial features including short, stout vertebral column, strong ribs indicating a large thorax, short and strong humerus with a large head, large and robust fingers, strong femur with a large head, short and stout bones indicating powerful muscular attachment, short in height, upright and erect posture.
Comparison: La-Chapelle-aux-Saints vs. Mt. Carmel Neanderthals: What is the main difference between classical Neanderthals and the progressive type
,The main difference lies in cranial characteristics, while postcranial features are similar.
The variations in the skull structure highlight the diversity within the Neanderthal population.
Australopithecus: When did Australopithecus exist
,Around 4 million years ago.
Australopithecus: Where did Australopithecus exist
,In the African continent.
Australopithecus: What is Australopithecus considered in relation to modern man
,A probable ancestor of modern man.
Australopithecus: What cultural feature is associated with Australopithecus
,Osteokeratodontic culture.
Types of Australopithecus: What is Australopithecus Africanus (Gracile) known for
so ts ma kol
,Slim and omnivorous. Fossil discoveries from Taung, Sterkfontein, Makapansgat, Aramis, Kanapoi, Olduvai Gorge, and Laetoli.
Types of Australopithecus: What is Australopithecus Robustus (Robust)
known for kslk
,Larger brain, bigger molars, and vegetarian. Fossils found in Kromdraai, Swartkrans, Lake Turkana, and Kobifora.
Types of Australopithecus: What happened to the Robust form of Australopithecus
,Became extinct. The Gracile form gave rise to modern man.
Distribution: Where were Gracile form fossils of Australopithecus found
sekt
,South Africa, Ethiopia, Kenya, and Tanzania.
Distribution: Where were Robust form fossils of Australopithecus found
,South Africa and eastern Africa’s Great Rift Valley.
Physical Features - Cranial Features: What is the cranial capacity of Australopithecus
,400-530 CC, larger than Miocene apes.
Physical Features - Cranial Features: What are some features of the forehead in Australopithecus
,Receding forehead, sagittal crest, and prominent zygomatic arch.
Physical Features - Cranial Features: What does the placement of foramen magnum in Australopithecus indicate
,Downward and forward placed foramen magnum, indicating an erect posture.
Physical Features - Brain: What does the expanded cerebral cortex in Australopithecus suggest
,Symbolic communication.
Physical Features - Brain: What is the significance of the increased cerebellum size in Australopithecus
,Improved movement control.
Physical Features - Dentition: What does the dentition suggest about the diet of Australopithecus
,Largely vegetarian diet with small incisors and canines, and large pre-molars and molars.
Physical Features - Dentition: What is the wear pattern on the molars of Australopithecus similar to
,Wear pattern similar to humans.
Physical Features - Postcranial Features: What is the probable locomotion of Australopithecus
,Probably bipedal with lumbar curve.
Physical Features - Postcranial Features: What are some features of the postcranial skeleton in Australopithecus
iff
,Broadened and short ilium, torsion angle in femur, and developed foot arches.
Cultural Status: What is the cultural status of Australopithecus
,Osteokeratodontic culture: Utilization of bones, horns, and teeth as tools.
Tools included choppers, bifaced hand axes, cleavers, and scrapers.
Phylogenetic Status: What does the 2-3 branch theory suggest about Australopithecus
,Divergence around 5 million years ago. A. africanus, A. anamensis, and A. robustus represent different branches.
Phylogenetic Status: What is the significance of Australopithecus in hominid evolution
,Provides crucial insights into the early stages of hominid evolution, marking a transitional phase from apes to modern humans.
Conclusion: What is the conclusion about Australopithecus
,Australopithecus, with its unique physical and cultural characteristics, provides crucial insights into the early stages of hominid evolution, marking a transitional phase from apes to modern humans.
Craniofacial Changes: What is the first major craniofacial change in hominid evolution
,Increase in cranial part compared to facial part.
Craniofacial Changes: What happens to the supraorbital ridges in hominid evolution
,Supraorbital ridges become more prominent.
Craniofacial Changes: How does the occipital region change in hominid evolution
,Occipital region bulges out, frontal & parietal tuberosities become well-marked.
Craniofacial Changes: What happens to the size of the sagittal crest in hominid evolution
,Size of the sagittal crest decreases.
Craniofacial Changes: How does the nuchal crest change in hominid evolution
,Size of the nuchal crest decreases.
Craniofacial Changes: What happens to the face in hominid evolution
,Face becomes orthognathus with a prominent chin.
Craniofacial Changes: How does the nasal bridge change in hominid evolution
,Nasal bridge becomes well-raised.
Craniofacial Changes: What happens to sutures in hominid evolution
,Sutures become highly serrated.
Dentition: What are the general trends in dentition during hominid evolution
,Retention of fairly simple teeth structure and reduction in the size of teeth.
Dentition: What is the dental formula for Prosimians (Lemurs & Lorises) during hominid evolution
,2133 = 9133 xX2 = 36.
Dentition: What is the dental formula for Anthropoids (Old World Monkeys) during hominid evolution
,2123 x2 = 32.
Dentition: What is the dental formula for Apes and Man during hominid evolution
,Affected all four types of teeth.
Dentition: How does the size of incisors change in hominid evolution
,Reduction in the size of incisors due to processed food.
Dentition: How does the size of canines change in hominid evolution
,Reduction in size of canines due to decreased antagonistic display.
Dentition: What happens to the number of molars in hominid evolution
,Reduction in the number of molars.
Dentition: How does the molar pattern change in hominid evolution
,Change from triangular to modified Y-shaped figure in Apes and Man.
Brain: What is the general trend in brain size during hominid evolution
,Increase in the size of the brain relative to body size.
Brain: How is brain evolution characterized during hominid evolution
,Characterized by a general increase in brain size.
Brain: Which areas of the brain are associated with vision and sense of touch during hominid evolution
,Areas associated with vision and sense of touch elaborated.
Brain: How does tool making affect brain development during hominid evolution
Tool making in hominid evolution enhanced brain development through complex motor skills, problem-solving, and social interactions, suggesting a co-evolutionary relationship between technology and cognitive capabilities
Brain: What areas of the brain are associated with hand coordination and language expansion during hominid evolution
,Cortical areas associated with hand coordination and language expansion.
Brain: What happens to the size of the cerebellum during hominid evolution
,Gradual increase in the size of the cerebellum associated with balance and equilibrium.
Evolutionary Trends: What is a continuous evolutionary trend in dentition during hominid evolution
,Reduction in dental formula.
Evolutionary Trends: What factors influence changes in brain size and structure during hominid evolution
,Cultural and behavioral factors.
Classification,What is the kingdom of Primates
,Animalia
Classification,Which phylum do Primates belong to
,Chordata
Classification,In which subphylum are Primates classified
,Vertebrata
Classification,What class do Primates fall under
,Mammals
Classification,Which subclass do Primates belong to
,Eutheria
Classification,What order do Primates belong to
,Primates
Primate Taxonomy,What infraorder includes lemurs
,Lemuriformes
Primate Taxonomy,Which superfamily includes lemurs
,Lemuroidea
Primate Taxonomy,Which subfamily includes lemurs
,Lemurinae
Primate Taxonomy,What infraorder includes lorises
,Lorisiformes
Primate Taxonomy,Which superfamily includes lorises
,Lorisoidea
Primate Taxonomy,Which subfamily includes lorises
,Lorisinae
Primate Taxonomy,What infraorder includes New World monkeys
,Platyrrhini
Primate Taxonomy,Which subfamily includes capuchins
,Cebinae
Primate Taxonomy,Which subfamily includes owl monkeys
,Aotinae