Answer:
Ducks have flat broad beaks with tooth-like edges. They use their beak to take in muddy water which has insects, worms, etc. The mud and the water flow out of the holes on the sides. The worms and insects inside the mouth for the duck to eat.
Healthy ecosystems depend on plant and animal species as their foundations. When a species becomes endangered, it is a sign that the ecosystem is slowly falling apart. Each species that is lost triggers the loss of other species within its ecosystem. Humans depend on healthy ecosystems to purify our environment.
At least 75% of the history of the earth
From what i am looking at they are classified as organic or inorganic gems
Answer:
sheep, cattle, and pigs
Explanation:
From sheep, cattle, and pigs, the most raised animal on the farms today is beef cattle. The reason why cattle is the first choice is its profitability. The cattle are easy to maintain, they just need good pasture and freshwater, some supplemental food during the winter, and enough space.