Junior C.1 lesson (4)

Fish have.................to breathe.

• Lung

• Gills

• Heart

The presence of gills in fish consider as ....................... adaptation that help it to breathe under the water.

• Structural

• Behavioral

Changes resulted from human activities can cause extinction of some living organisms.

• True

• False

From the human activities that cause change in the environment.

• 
• 
• 
• All of the above

To restore the ecosystem human should.........

• Replanting the cleared forest

• Cutting down forest

• Building communities instead of grassland

• Clearing land

From the negative effects of human activities on the human health are......................

• lung damage and wounds.

• wounds and asthma

• lung damage and asthma.