Answer:
They digest without the use of teeth.
Explanation:
The food trickles from the crop into the bird's stomach (proventriculus or gizzard) where digestive enzymes are added to the mix and physical grinding of the food occurs. The gizzard is why chickens do not need teeth.
Answer:
Anaerobic respiration does not need oxygen. It happens when there is not enough oxygen for aerobic respiration. ... 100m sprinters respire using anaerobic respiration in their race because their bodies do not take in enough oxygen during the race to carry out aerobic respiration.
Explanation:
Answer:
When a polar substance is put in water, the positive ends of its molecules are attracted to the negative ends of the water molecules, and vice versa
Explanation:
id if this helped but
Law of conservation of mass states that overall mass can neither be created nor destroyed. It means, that mass in left hand side & right hand side of the reaction would always remains constant
Hope this helps!
