SSCE VCE Biology Evolution and Species Relationships: Consider the information provide

Question

Consider the information provided on the three species shown in the table below.

Species

| rock hyrax | elephant | dugong |
|------------|----------|--------|
| Size      | small terrestrial mammal (2–5 kg) | large terrestrial mammal (4500–6000 kg) | mid-sized marine mammal (150–300 kg) |

These three species are closely related, sharing a relatively recent common ancestor, but have different features.

Identify the type of evolution involved. Justify your response.

2014 palaeontologists discovered a frozen, well-preserved, complete specimen of an extinct species, the steppe bison, in Siberia. The intact specimen was dated at 9300 years old.

Scientists are debating the cause of the steppe bison’s extinction.

Give one possible cause of its extinction.

Consider the information provided on the three species shown in the table below - VCE - SSCE Biology - Question 7 - 2019 - Paper 1

Worked Solution & Example Answer:Consider the information provided on the three species shown in the table below - VCE - SSCE Biology - Question 7 - 2019 - Paper 1

Identify the type of evolution involved. Justify your response.

Give one possible cause of its extinction.

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