DP Biology Questionbank

Description

Overview of the essential ideas for this topic.

5.1: There is overwhelming evidence for the evolution of life on Earth.

5.2: The diversity of life has evolved and continues to evolve by natural selection.

5.3: Species are named and classified using an internationally agreed system.

5.4: The ancestry of groups of species can be deduced by comparing their base or amino acid sequences.

Directly related questions

• 15M.2.SL.TZ1.5c: Explain the evolution of antibiotic resistance in bacteria.
• 15M.1.HL.TZ2.17: Which example provides evidence of evolution? A. White wings of a peppered moth turn black in...
• 15M.1.HL.TZ2.18: What promotes natural selection? I. Overpopulation II. Competition  III. Variation  A. I and...
• 13M.2.HL.TZ1.4c (ii): State an external feature that is different in: Mollusca and Annelida.
• 13M.3.HL.TZ2.1b: Calculate the difference in the angle between the mean values for the Swartkrans tool and the...
• 13M.1.SL.TZ2.22: The image shows a drawing of an organism To which phylum of plants does this organism...
• 11M.1.SL.TZ1.23: What is evolution? A  A measure of the relative survival and reproductive success of an...
• 12M.1.SL.TZ2.22: What type of process causes antibiotic resistance to develop in bacteria? A. Competition with...
• 10M.1.SL.TZ1.23: A poodle and a chihuahua are both dogs and classified as Canis familiaris. What conclusion can be...
• 10M.1.SL.TZ1.22: Which of the following are used as evidence for evolution? I. Homologous structures II....
• 10M.3.HL.TZ1.1a: Identify the relationship between wing size and latitude shown by D. subobscura in Europe.
• 10M.3.HL.TZ1.1c: Predict, with a reason, what might happen to D. subobscura in the future as a result of its...
• 10M.3.SL.TZ2.17a: State the names of the three domains, giving a microbial example of each.
• 12N.1.HL.TZ0.12: A biologist exploring an uninhabited island came across an unknown plant.  She made the following...
• 10N.2.SL.TZ0.1d: Outline the use of the binomial system of nomenclature in Oryza sativa.
• 10N.3.SL.TZ0.10c: Compare the E. coli (Mn) and the mitochondrial dismutases.
• 10N.3.HL.TZ0.7d: Suggest how antibiotic-resistant bacteria are passed from animals to humans.
• 10N.3.HL.TZ0.2d: Outline the value of classifying organisms.
• 13N.1.SL.TZ0.21: Which phylum includes plants with rhizoids, spores that are produced in a capsule and a height...
• 17M.1.SL.TZ1.22: Below is a phylogenetic tree of the three domains. There are important differences between the...
• 17M.1.SL.TZ2.21: What is a direct consequence of the overproduction of offspring? A. Individuals become more...
• 17M.1.SL.TZ2.22: The diagram represents a cladogram of the family Procyonidae. What would justify classifying...
• 17M.2.SL.TZ1.4a.i: State the organism most closely related to the lizards.
• 17M.2.SL.TZ1.4b.i: Molecular evidence is often used to construct a cladogram. Describe one type of molecular-based...
• 15M.3.SL.TZ2.10b: Identify the group with the widest range of brain mass.
• 15M.3.HL.TZ1.3: Explain cladistics as a method of classifying organisms.
• 13M.2.SL.TZ2.3b: Outline how overpopulation of a species in a given environment may lead to evolution.
• 13M.3.HL.TZ2.1d: Using evidence from the photographs and the graphs, suggest what the researchers’ main conclusion...
• 11M.3.HL.TZ1.2a: Define the term clade.
• 11M.1.SL.TZ2.20: Which of the following represent homologous features? A. Wings in birds and insects B. The...
• 12M.1.SL.TZ1.22: The Atlantic cod (Gadus callarias) is a fish which lays about 5 000 000 eggs in its lifetime. On...
• 12M.2.SL.TZ2.7a: Distinguish between bryophyta and coniferophyta.
• 12M.1.SL.TZ1.21: What characteristics describe homologous structures? A. They have the same ancestral origin but...
• 12M.2.SL.TZ1.4b: The changes that result from global warming may lead to evolution. Define evolution.
• 09M.2.SL.TZ2.6b: Describe how natural selection leads to evolution.
• 09M.1.SL.TZ2.21: Which process tends to reduce variety within a population? A. Natural selectionB. Random...
• 10M.3.HL.TZ1.1b (i): Compare the data for wing size of D. subobscura in North and South America with wing size in Europe.
• 10M.3.HL.TZ1.2c: The cladogram below shows the classification of species A to D. Deduce how similar species A is...
• 10M.3.HL.TZ1.2d: Suggest two reasons for using cladograms for the classification of organisms.
• 11N.3.HL.TZ0.1c: Outline possible reasons for the trends in relative beak size in finches.
• 12N.2.SL.TZ0.4a: The correlation shown in the data above can be explained by natural selection. Outline how the...
• 10N.3.SL.TZ0.10e: The sequences of the two bacterial dismutases and the mitochondrial dismutase show a high degree...
• 09N.3.HL.TZ0.4a(i): State the effect of the presence of the helpers on mean chick mass.
• 10N.3.HL.TZ0.7b: Compare the incidence of drug resistance in bacteria from chickens and egg laying hens.
• 10N.3.HL.TZ0.7a: Calculate the percentage risk of bacteria becoming resistant to more than five kinds of...
• 15N.1.SL.TZ0.22: What is the highest level of taxa for Acacia tortilis? A. Acacia B. Tortilis C. Fabaceae D....
• 15N.2.SL.TZ0.5c: Explain how evolution may happen in response to an environmental change.
• 15N.3.SL.TZ0.10a: State the infant mass relative to mother mass of Homo sapiens.
• 09N.3.HL.TZ0.2b: Define analogous characteristics using one example to illustrate your answer.
• 16M.1.HL.TZ0.31: The pictures show skeletons of a frog (Conraua goliath) and of a domestic rabbit (Oryctolagus...
• 16N.1.SL.TZ0.20: Which evidence for evolution do the common features in the bone structure of vertebrate limbs...
• 16N.1.SL.TZ0.21: What is the major contributor to the increase in antibiotic resistance in bacteria? A. Sexual...
• 16N.2.SL.TZ0.5a: Living organisms have been placed in three domains: archaea, eubacteria and eukaryote....
• 17M.1.SL.TZ2.23: Which is a characteristic of both bryophyta and filicinophyta? A. Vascular tissue B. Membranous...
• 17M.2.SL.TZ1.4a.ii: Based on the taxa shown, deduce a difficulty in gathering data to study turtle ancestry.
• 17N.1.SL.TZ0.22: Which of the organisms A–D, identified by the key, represents a reptile?
• 15M.1.SL.TZ2.22: What is the biological definition of the term evolution?A. The changes shown by fossils over...
• 15M.2.HL.TZ2.5b: Explain how DNA is used to pass on genetic information to offspring accurately but also produce...
• 13M.1.SL.TZ1.22: The long-term exposure of bacteria to antibiotics has led to the spread of resistant strains (for...
• 11M.3.HL.TZ2.1b: Describe the relationship between the geographic distance and genetic distance in the two species.
• 12M.2.SL.TZ1.4c: Explain how sexual reproduction promotes variation in a species.
• 12M.3.SL.TZ1.11a: Outline the process of adaptive radiation.
• 09M.2.HL.TZ1.2b: Maize belongs to the group of plants known as angiospermophyta. Distinguish between...
• 10M.2.SL.TZ1.7a: Plants are a diverse group of eukaryotic organisms. Describe the different characteristics of the...
• 10M.2.SL.TZ2.6b: Explain how sexual reproduction can eventually lead to evolution in offspring.
• 10M.1.HL.TZ2.19: Which of the following is a characteristic of platyhelminthes? A. Many pairs of legs B. Flat...
• 10M.3.HL.TZ1.1b (ii): Suggest one reason for the differences.
• 11N.3.HL.TZ0.1a: State the year in which G. fortis had the greatest change in relative beak size.
• 11N.3.HL.TZ0.1b: Compare the trends in relative beak size of G. fortis and G. scandens.
• 12N.2.SL.TZ0.2a: Parts of a dichotomous key to organisms A, B, C and D are shown.  Design missing parts of the key...
• 12N.3.SL.TZ0.11a: Using the mammalian pentadactyl limb as an example, outline the process of adaptive radiation.
• 10N.3.SL.TZ0.17a: Distinguish between Archaea and Eukarya.
• 09N.3.HL.TZ0.1b: Suggest, giving a reason, the expected trend in the proboscis length of the soapberry bug in the...
• 09N.3.HL.TZ0.1a(i): Outline the trends in proboscis length in soapberry bugs shown in the graph.
• 09N.3.HL.TZ0.4c: With reference to the data, suggest why the activity of the helper affects the probability of...
• 10N.3.HL.TZ0.7c: Discuss the hypothesis that giving antibiotics increases antibiotic resistance in poultry bacteria.
• 15M.1.HL.TZ1.19: The photograph shows an animal of the species Eisenia fetida. [Source: “Redwiggler1” by Mihai...
• 15N.3.SL.TZ0.10b: Outline the difference in infant mass relative to mother mass in extinct hominids and modern humans.
• 15N.3.HL.TZ0.1a: Calculate the percentage of the total body mass made up by the human brain.
• 15N.3.HL.TZ0.1d: Explain the differences between the organ size of humans and other primates in terms of trends in...
• 09N.1.SL.TZ0.23: Pseudolarix amabilis produces seeds but not flowers. Physcomitrella patens has leaves but not...
• 16M.1.HL.TZ0.26: How can molluscs and platyhelminthes be distinguished? A. Molluscs are unsegmented but...
• 16N.2.SL.TZ0.5b: List two types of evidence used to determine which species belong in the same clade.
• 17M.1.SL.TZ1.21: Cladograms can be created by comparing DNA or protein sequences. The cladogram on the left is...
• 17M.3.HL.TZ1.9b: Explain what the branching off points represent in the cladogram of these fungi.
• 17N.1.SL.TZ0.21: What causes variation within a population? A. Fertilization and change in the environment B....
• 17N.1.SL.TZ0.23: The table shows the number of differences between humans and other selected organisms for the...
• 15M.3.HL.TZ2.2a: The table shows certain characteristics present (+) or absent (–) in six organisms. Using the...
• 13M.2.HL.TZ1.7a: Outline the types of evidence that can be used to support the theory of evolution.
• 11M.3.HL.TZ2.1a (i): Determine the greatest genetic distance between any pair of colonies of V. squamosa.
• 11M.1.SL.TZ1.24: Two different trees have been classified as Pinus pinea and Pinus nigra. Which of the following...
• 12M.1.HL.TZ2.18: What type of process causes antibiotic resistance to develop in bacteria? A. Competition with...
• 12M.3.HL.TZ2.1b: Suggest one feature of butterfly wings that might help a butterfly to escape from a predator.
• 12M.3.SL.TZ1.10a: Discuss the definition of the term species.
• 10M.3.HL.TZ1.2b: Outline the evidence provided by DNA for the common ancestry of living organisms.
• 10M.3.SL.TZ2.17c: Distinguish between the two domains of prokaryotes.
• 11N.1.SL.TZ0.19: Which organisms have flowers? A. Bryophyta B. Porifera C. Angiospermophyta D. Cnidaria
• 10N.3.SL.TZ0.16a: Calculate the percentage risk of bacteria becoming resistant to more than five kinds of...
• 09N.3.HL.TZ0.2d: List two anatomical features that define humans as primates.
• 09N.3.HL.TZ0.4b: Calculate the percentage decrease in mean egg volume found in the presence of helpers as compared...
• 15N.2.SL.TZ0.3b: Outline how fossil records can provide evidence for evolution.
• 15N.3.HL.TZ0.1b: Compare the mass of human organs with the mass of other primate organs.
• 13N.3.HL.TZ0.3: Explain the biochemical evidence for the common ancestry of organisms on Earth.
• 09N.1.SL.TZ0.21: Charles Darwin used domesticated animals to provide evidence for evolution by natural selection....
• 16M.1.SL.TZ0.21: Which is a coniferophyte? A. Adansonia digitata, an African baobab tree with white flowersB....
• 16N.1.SL.TZ0.19: Lichens are returning to the forests of the industrial areas of the United Kingdom due to strict...
• 16M.2.SL.TZ0.4c: State the name of the domain to which these organisms belong.
• 17M.1.SL.TZ1.20: A bacterial population with no resistance to an antibiotic may develop into a bacterial...
• 17M.1.SL.TZ2.27: The bacterium Neisseria gonorrhoeae causes infections related to the human reproductive system....
• 17M.1.HL.TZ1.18: An animal shows radial symmetry, has only one opening leading to a digestive cavity and is soft...
• 17M.1.HL.TZ2.25: The graph shows the song duration of birds from the genus Phylloscopus sampled from west to east...
• 17M.2.SL.TZ1.4c: Taxonomists aim to place species into genera, families and higher taxa according to their...
• 17N.1.SL.TZ0.20: Which of these structures is not homologous?   [Source:...
• 17N.2.SL.TZ0.04a.ii: State two characteristics of plants from the phylum you stated in (a)(i).    
• 15M.3.SL.TZ2.10c: Compare the brain mass and life span of primates and marsupials.
• 13M.2.HL.TZ1.7c: Explain two examples of evolution in response to an environmental change.
• 13M.3.HL.TZ2.1a: State the greatest angle from the vertical of the scratch marks on the tool used on termite mounds.
• 13M.3.HL.TZ2.1e: A. robustus was thought to have coexisted with Homo habilis, both becoming extinct at the same...
• 11M.3.HL.TZ1.2b: Distinguish between analogous and homologous structures, giving an example of each.
• 11M.1.SL.TZ2.15: A collection of four animal specimens is observed and a dichotomous key is applied. Which...
• 12M.1.HL.TZ1.18: Based on binomial nomenclature, which two species are most closely related? I. Common barberry...
• 12M.3.HL.TZ2.1a: State which butterfly (sub)family contains the species with the greatest escaping ability.
• 12M.3.HL.TZ2.2b (ii): Identify the species to which the Bonobo is most distantly related.
• 09M.2.HL.TZ1.7a: Outline how antibiotic resistance in bacteria can arise in response to environmental change.
• 10M.3.SL.TZ2.11a: Outline the process of adaptive radiation.
• 11N.2.SL.TZ0.3a: State all the organisms shown above that belong to the following phyla. Filicinophyta: ...
• 10N.3.SL.TZ0.16d: Suggest how antibiotic-resistant bacteria are passed from animals to humans.
• 10N.3.SL.TZ0.10a: State how many amino acids are in the same position in the E. coli (Fe), E. coli (Mn) and the...
• 10N.3.SL.TZ0.16b: Compare the incidence of drug resistance in bacteria from chickens and egg laying hens.
• 10N.2.HL.TZ0.2b(i): Using the external features shown in the photograph, state the phylum to which this plant belongs.
• 10N.3.SL.TZ0.10b: State the amino acids which are present in the same position in at least one bacterial dismutase...
• 10N.3.HL.TZ0.1e: The sequences of the two bacterial dismutases and the mitochondrial dismutase show a high degree...
• 15N.2.HL.TZ0.5c: Explain how evolution may happen in response to environmental change with evidence from examples.
• 15N.3.SL.TZ0.10d: Suggest one disadvantage of infants being born with a relatively large size in humans.
• 15N.3.HL.TZ0.2b(ii): Identify which two species evolved most recently.
• 13N.1.HL.TZ0.19: What is accepted by scientists as evidence for evolution? I. Similarities in bone structure...
• 13N.1.SL.TZ0.20: What causes heritable variation in a species? I. Muscle development through exerciseII....
• 16M.1.HL.TZ0.32: How can species of bacteria evolve to be resistant to antibiotics? I. A variation within one...
• 17M.1.SL.TZ1.23: A plant has cambium in its vascular tissue and pollen is produced in male cones. The plant...
• 17M.1.HL.TZ2.28: The photograph shows vegetation in a rocky area. Which characteristic of the plants indicates...
• 15M.3.SL.TZ2.10d: Discuss how a larger brain size and longer life span might have contributed to the evolution of...
• 15M.3.SL.TZ1.12a: Outline the process of adaptive radiation.
• 13M.1.HL.TZ1.18: Ranunculus repens and Hypericum repens both have yellow flowers. Which statement is true? A....
• 13N.3.SL.TZ0.11a: Outline two processes needed for the spontaneous origin of life on Earth.
• 11M.3.HL.TZ1.2c: The table below lists five animals along with four morphological characteristics. A plus sign (+)...
• 11M.3.HL.TZ2.1c: Compare the two species in terms of genetic distance between the pairs of colonies.
• 12M.3.HL.TZ1.1b: Estimate the percentage of non-melanic forms of A. crenata in 1978.
• 12M.3.HL.TZ1.1c (i): Compare the trends for the three moth species during the study.
• 12M.3.HL.TZ2.2b (i): Identify the two most closely related organisms.
• 12M.3.HL.TZ2.1c (i): Explain how the ability of a butterfly to escape from predators could increase by natural selection.
• 12M.3.SL.TZ2.17a: Explain the reasons for the reclassification of Prokaryotes and Eukaryotes into Eubacteria,...
• 09M.1.HL.TZ1.18: Which of the organisms A–D, identified by the key below, represents an Annelid?  
• 09M.1.HL.TZ2.18: To which group do sponges belong? A. CnidariaB. FilicinophytaC. PoriferaD. Mollusca
• 10M.2.HL.TZ2.8c: Antibiotic resistance in bacteria is an example of evolution in response to environmental change....
• 11N.1.HL.TZ0.37: Which organisms have flowers? A. Bryophyta B. Porifera C. Angiospermophyta D. Cnidaria
• 10N.2.HL.TZ0.2c: Outline the use of the binomial system of nomenclature in Campanula persicifolia.
• 10N.3.HL.TZ0.1c: Compare the E. coli (Mn) and the mitochondrial dismutases.
• 13N.2.SL.TZ0.6b: Explain the various possible consequences of overproduction of offspring.
• 09N.1.SL.TZ0.22: Ants, bees and wasps are classified in the same order. What can be deduced about these animals?A....
• 16M.1.SL.TZ0.22: Which process promotes variation in a population? A. MutationB. MitosisC. Ageing in a...
• 16N.2.HL.TZ0.4b: Describe how variation contributes to evolution by natural selection.
• 16N.1.HL.TZ0.19: The scientific name of the great egret has recently been changed from Casmerodius albus to Ardea...
• 16M.2.HL.TZ0.4a: The image shows part of a cladogram. Using the cladogram, identify one diagnostic feature that...
• 17M.1.HL.TZ1.17: A bacterial population with no resistance to an antibiotic may develop into a bacterial...
• 17M.2.HL.TZ2.4b: State the name of the domain to which birds, such as the Elf owl, belong.
• 15M.1.SL.TZ2.23: Which example provides evidence of evolution?A. White wings of a peppered moth turn black in...
• 15M.2.HL.TZ1.4c: Describe the consequences of the potential overproduction of offspring.    
• 13M.2.HL.TZ1.4c (i): State an external feature that is different in: Cnidaria and Mollusca.
• 13M.1.SL.TZ2.23: To which phylum do organisms with exoskeleton, jointed appendages and segmented bodies...
• 11M.1.HL.TZ1.20: Two different trees have been classified as Pinus pinea and Pinus nigra. Which of the following...
• 11M.3.HL.TZ2.1a (ii): Identify the greatest geographic distance between any pair of colonies of V. maculifrons.
• 11M.3.HL.TZ2.8a: State two characteristics that permit the classification of microbes into domains.
• 12M.3.HL.TZ1.1a: Identify the year with the highest frequency of the melanic form of O. bidentata.
• 12M.3.HL.TZ1.2c: Distinguish between analogous and homologous structures.
• 12M.1.SL.TZ1.23: Based on binomial nomenclature, which two species are most closely related? I. Common barberry...
• 10M.1.SL.TZ2.23: Which phylum does the plant below belong to? A. Angiospermophyta B. Bryophyta C. Coniferophyta...
• 10M.1.HL.TZ1.18: An animal has radial symmetry, a sac-like body with only one opening and tentacles with stinging...
• 11N.1.HL.TZ0.26: The following diagrams (not to scale) represent the fossilized forelimbs of three horses living...
• 10N.3.SL.TZ0.16c: Discuss the hypothesis that giving antibiotics increases antibiotic resistance in poultry bacteria.
• 09N.3.HL.TZ0.3: Explain the biochemical evidence for the common ancestry of living organisms.
• 10N.3.HL.TZ0.2c: Outline how variations in specific molecules can lead to phylogeny.
• 10N.3.HL.TZ0.1a: State how many amino acids are in the same position in the E. coli (Fe), E. coli (Mn) and the...
• 15N.1.SL.TZ0.23: Darwin described evolution as “descent with modification”. What would make evolution less...
• 15N.3.HL.TZ0.2b(i): On the cladogram, label with the letter C the point that shows the most recent common ancestor of...
• 16M.1.HL.TZ0.30: To which domain does Carcharodon carcharias, a shark, belong? A. EukaryoteB. ConsumerC. FishD....
• 16N.1.SL.TZ0.23: The scientific name of the Wakatobi flowerpecker is Dicaeum kuehni. Which species is most...
• 16N.1.SL.TZ0.22: In which domain are bryophyta found? A. PlantaeB. ArchaeaC. EubacteriaD. Eukaryote
• 17M.2.SL.TZ1.1c: Estimate how much smaller drilled oysters raised in seawater at a high CO2 concentration were...
• 17M.2.HL.TZ1.1f.ii: Suggest a reason for the greater expression of the gene for the urea transporter after an...
• 17M.2.HL.TZ1.7c: Describe, using one example, how homologous structures provide evidence for evolution.
• 17N.2.SL.TZ0.04a.i: State the phylum of this plant.
• 15M.3.SL.TZ2.10a: State the relationship between brain mass and maximum life span.
• 13M.3.HL.TZ1.3: Discuss the use of cladograms in phylogenetic studies.
• 13M.1.HL.TZ2.17: What distinguishes Annelida from Platyhelminthes? A. Platyhelminthes have a segmented body but...
• 13M.1.HL.TZ2.18: What features occur in all species of Angiospermophyta and Coniferophyta? A. SeedsB. BarkC....
• 13M.3.HL.TZ2.1c: Compare the width of scratch marks on the tool used to dig for larvae with the Swartkrans tool.
• 12M.3.HL.TZ1.1c (ii): Suggest reasons for the differences in trends.
• 12M.3.HL.TZ2.1c (ii): The graph shows that distasteful butterflies tend to have a lower ability to escape from...
• 09M.1.HL.TZ1.17: What is the mechanism of natural selection? A. Any individuals in a population can be selected...
• 10M.2.SL.TZ2.6c: Using simple external recognition features, distinguish between the plant phyla bryophyta and...
• 10M.3.SL.TZ2.17b: Traditional classification separates organisms into two groups: prokaryotes and eukaryotes....
• 11N.3.HL.TZ0.3: Discuss the relationship between cladograms and the classification of living organisms.
• 10N.3.HL.TZ0.1b: State the amino acids which are present in the same position in at least one bacterial dismutase...
• 15N.1.HL.TZ0.19: What is the highest level of taxa for Acacia tortilis? A. Acacia B. Tortilis C. Fabaceae D....
• 15N.3.SL.TZ0.10c: Suggest a hypothesis, based on evidence in the data, for when the shift to giving birth to larger...
• 15N.3.HL.TZ0.1c: Using information from the table and the graph, identify the human organ which uses the greatest...
• 16M.2.SL.TZ0.6c: Explain how the process of evolution occurs.
• 16M.2.SL.TZ0.4b: Using the cladogram, identify one diagnostic feature that characterizes the given groups of...
• 17M.2.SL.TZ1.4b.ii: Suggest one type of additional evidence that could provide strong support for Turtles 3 as the...
• 17M.2.SL.TZ2.4b.ii: Some lice live in human hair and feed on blood. Shampoos that kill lice have been available for...
• 17M.2.SL.TZ2.4b: State two characteristics that identify lice as members of the arthropoda. 1. 2.
• 17N.2.HL.TZ0.06c: Cell biologists play an important role in research into disease, fertility, evolution and...