Phytophthora cinnamomi, which causes dieback in many Australian native plants, is a:
Answer and explanation
Correct answer: D. Water mould that infects roots in wet soil and spreads in moving water and on soil
- Step 1: Phytophthora is an oomycete (water mould) with a cell wall and filaments.
- Step 2: It attacks roots, and its spores spread in water and in infested soil on vehicles and boots.
Answer
a water mould spread by water and soil.
Why not the others: It is not a virus, bacterium or prion; infection is through the roots, not leaves, flowers or seeds.
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