DO NOW Use your textbooks Chapter 15 sec 3 to answer the following questions Don’t ask what page 1) About how many animal species have been domesticated? 2) Cattle are most common in North America, India, and Africa. How are they used in these regions? 3) In which country did aquaculture begin? 4) What is the difference between fish farming and fish ranching? Give advantages & disadvantages of aquaculture.

North American Cod

Fish Farm vs Ranch Fish farms generally consist of many individual ponds that each contain fish at a specific stage of development. Fish grow to maturity in the ponds and are then harvested. Fish ranches raise fish to a certain age, release them to the ocean, and then harvest the adults when they return to their birthplace to breed.

Changes in livestock last 40 years

Worldwide meat production per person