Luke had two similar slices of cakes. He placed one slice of cake into container A. He then sprayed water on the other slice of cake and placed it in container B.He covered both air-tight containers with a lid and left them on the dining table for one week.After 1 week, Luke observed that there were more green and black patches on the slice of cake in container B.(a) What were the green and black patches found on the slice of cake in both containers? (b) Which group of living things does the green and black patches belong to? (c) Based on the experiment above, what was the condition required for the green and black patches to grow?
Question
Luke had two similar slices of cakes. He placed one slice of cake into container A. He then sprayed water on the other slice of cake and placed it in container B.He covered both air-tight containers with a lid and left them on the dining table for one week.After 1 week, Luke observed that there were more green and black patches on the slice of cake in container B.(a) What were the green and black patches found on the slice of cake in both containers? (b) Which group of living things does the green and black patches belong to? (c) Based on the experiment above, what was the condition required for the green and black patches to grow?
Solution
(a) The green and black patches found on the slice of cake in both containers are likely mold.
(b) The green and black patches belong to the group of living things known as fungi.
(c) Based on the experiment above, the condition required for the green and black patches (mold) to grow was a moist environment. The slice of cake in container B, which was sprayed with water, provided a more suitable environment for mold growth than the dry slice of cake in container A.
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