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4. State whether true or false. If false, correct the statement II

1. Earthworms use the remarkable high frequency system called echoes.

The statement is

Bats use a high-frequency system called echolocation to locate and identify their prey
Earthworm use a high-frequency system called echolocation to locate and identify their prey

2. Aestivation is an adaptation to overcome cold condition.

The statement is

Aestivation is an adaptation to overcome hot and dry condition
Aestivation is when an animal spends its winters in a dormant condition

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