Answer:
the ocean is my favorite food web/chain
Explanation:
dolphins eat sharks, sharks eat whales, whales eat fish, fish eat smaller fish, smaller fish eat plankton, and plankton eats algae, algae grows from the sun
Answer:
Carbon dioxide moves in; oxygen moves out
Explanation:
The baby is used to getting what it needs through the placenta, which includes oxygen. The baby's lungs are initially filled with amniotic fluid.
Answer:
The pectoralis muscle moves the front limb inward and the transverse abdominal muscles moves the posterior limiting membrane up. The limbs are brought into the shell, pushing up on the lung, causing air to expel by the muscles contracting.
To Breathe air in, the serrates muscle pulls out, the abdominal oblique pulls down and the weight of the viscera allows air to flow in, via negative pressure.
Explanation:
hope this helps you if not sorry :)
