Following the requirement of question I have attached a picture of phylogenetic tree.
Here is the source publication PNAS June 26, 2012 109 (26) 10293-10297
Monosomies is the point at which one chromosome does not have its homolog which is uncommon. Monosomies happen in cells From slip-ups in cell division amid mitosis and are related to compound presentation and cancers.Once preparation happens the gamete with 22 chromosomes shapes a zygote with 45 chromosomes. Most don't survive the just a single known to survive is monosomy 21 which resembles down disorder and causes many birth deformities and they don't survive long.
the opposite make an attraction like positive and negative , and negative and positive. if it was negative and negative or positive and positive it wouldn't make an attraction.
Answer:
Animal welfare means how an animal is coping with the conditions in which it lives. An animal is in a good state of welfare if (as indicated by scientific evidence) it is healthy, comfortable, well-nourished, safe, able to express innate behavior, and if it is not suffering from unpleasant states such as pain, fear, and distress. Good animal welfare requires disease prevention and veterinary treatment, appropriate shelter, management, nutrition, humane handling, and humane slaughter. Animal welfare refers to the state of the animal; the treatment that an animal receives is covered by other terms such as animal care, animal husbandry, and humane treatment.1 Protecting an animal's welfare means providing for its physical and mental needs. What are the 5 animal welfare needs? The Five Welfare Needs a simple framework for your pet's health and well-being. The need for a suitable environment. The need for a suitable diet. The need to exhibit normal behavioral patterns. The need to be housed with or apart from other animals.The need to be protected from pain, suffering, and disease.
hope this helps!!:)
Explanation:
the kt event set the stage for the Cenozoic era that began 65 million years ago however as the dinosaurs perished at the end of the cretaceous the mammals took the center stage. even as mammals increased in numbers and diversity, so did the birds, reptiles, fish, insects, trees, grasses, and other forms of life.