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Subjects
Science State Board
Class 9
Environmental Science
Textbook questions
4.
State whether true or false. If false, correct the statement II
Exercise condition:
4
m.
1
.
Earthworms use the remarkable high frequency system called echoes
.
The statement is
False
True
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
True
False
Aestivation is when an animal spends its winters in a dormant condition
Aestivation is an adaptation to overcome hot and dry condition
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