The animal shown in Figure 3 is a tick burrowing into the skin of a human - Edexcel - GCSE Biology Combined Science - Question 2 - 2020 - Paper 1
Question 2
The animal shown in Figure 3 is a tick burrowing into the skin of a human.
(a) Use words from the box to complete the sentences:
(i) The tick burrows into the skin... show full transcript
Worked Solution & Example Answer:The animal shown in Figure 3 is a tick burrowing into the skin of a human - Edexcel - GCSE Biology Combined Science - Question 2 - 2020 - Paper 1
Step 1
Use words from the box to complete the sentences (i)
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Answer
The tick burrows into the skin to obtain food.
Step 2
Use words from the box to complete the sentences (ii)
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Answer
This means that ticks are classed as parasites.
Step 3
When skin is cut a blood clot forms. Name the part of the blood to complete the clotting process?
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Answer
C platelets
Step 4
Complete the food chain that includes zebras, ticks, oxpeckers and grass.
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Answer
Grass → Zebras → Ticks → Oxpeckers
Step 5
Describe the difference in the maximum number of oxpeckers on the white rhino and on the hippo.
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Answer
The maximum number of oxpeckers on the white rhino is generally higher than on the hippo because white rhinos provide more opportunities for feeding due to their thicker skinned areas where ticks are found.
Step 6
Give one reason why more oxpeckers were observed on giraffes than on zebras.
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Answer
More oxpeckers were observed on giraffes than on zebras because giraffes are taller, making it easier for the birds to access ticks on their longer necks.
