IB biology Topic 5 - Evolution and biodiversity review

What is the name given to this type of diagram, used to show the most likely sequence of divergence of organisms during evolution?

• Cladogram

• Probability tree

• Common ancestry

• Dichotomous key

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How can molluscs and platyhelminthes be distinguished?

• Molluscs are unsegmented but platyhelminthes are segmented

• Molluscs have a mouth and an anus but platyhelminthes do not

• Molluscs are smooth but platyhelminthes have bristles

• Molluscs remain attached to rocks but platyhelminthes move around in the water

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NGSS.MS-LS4-2

Which process promotes variation in a population?

• Mutation

• Mitosis

• Ageing in a population

• Asexual reproduction

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To which domain does the shark Carcharodon carcharias belong?

• Eukaryote

• Consumer

• Fish

• Chordata

How can a species of bacteria evolve to become resistant to antibiotics?

• I only

• I and II only

• I and III only

• III only

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The diagram shows part of a cladogram. Which letter represents the evolution of pentadactyl limbs?

• A

• B

• C

• B and C

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NGSS.MS-LS4-2

This cladogram is part of which domain?

• Eukaryotes

• Vertebrates

• Animals

• Archaea

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NGSS.HS-LS4-1

Which evidence for evolution do the common features in the bone structure of vertebrate limbs provide?

• Adaptive radiation

• Divergent radiation

• Convergent evolution

• Discontinuous variation

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The scientific name of the great egret has recently been changed from Casmerodius albus to Ardea alba. What is a possible reason for this reclassification?

• Allopatric speciation

• Discovery of different ancestry

• A change in the mating behaviours

• Change in habitat and geographic range

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NGSS.HS-LS4-2

NGSS.HS-LS4-1

Lichens cause bark on trees to become pale. They are returning to the forests of the industrial areas of the UK due to strict pollution control. What is the expected outcome in the population of peppered moths (Biston betularia)?

• Increased numbers of light coloured peppered moths

• Increased industrial melanism in peppered moths

• Increased predation of peppered moths

• Increased speciation of peppered moths

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NGSS.HS-LS4-2

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