Answer:
All mammals, like dogs, cats, and humans; reptiles, amphibians, fish, birds, and even insects.
Explanation:
All mammals, like dogs, cats, and humans; reptiles, amphibians, fish, birds, and even insects are the animals that have a complete tube-like gut with two openings. A system having a tube with two openings i.e. mouth and an anus is called tubular system. In this tubular system, the animals eat with one opening and the other opening is used for excretion of waste and nitrogenous materials from the body so that's why most of the animals have two openings.
Answer:
ham Bhan k Uthai xeya ta hamra Garmin lagai xa kathi la Kani k bara ma Pharo thanda lagai xai
To make changes to it or to take out some genes of interest
Aero is the prefix for oxygen or air
Aerobic= needs air
Anaerobic=no air needed
