THIS IS URGENT PLZ HELPPP ( I NEED A 3 PROPER ANSWERS ) Plutonian Tickle-bellies have a sex determination system just like mammals. Hairy Snout is a

holandric trait (carried on the Y chromosome). MyxRot, a handsome male Tickle-belly, has

lovely orange hair on his snout. He and his mate, OrgggWny, have six offspring, three boys and

three girls. Please answer the following questions about this family.

a. How many of MyxRot's and OrgggWny's offspring have hairy snouts? Can you predict

which ones?

b. Their eldest son, Bob, marries and has a son. What is the chance that Bob's son will also have

a hairy snout?

c. JoKchew, MyxRot's and OrgggWny's youngest daughter, marries a male who has a

smooth, hairless purple snout. She has eight offspring, each one lovelier than the last, and all

boys. What percentage of these offspring do you expect to have hairy snouts? Explain.

Sea levels are rising due to climate change while increasing numbers of people are moving into coastal areas. to accommodate more people, there has been increased construction of beachfront resorts and condominiums. how is this impacting sea turtle numbers and biodiversity and why? a. the increased human population in coastal areas has meant that more food is available to the turtles (e. g., dropped food, waste from restaurants), which has led to an increase in the numbers and diversity of sea turtles. b. there has been very little change in the numbers and biodiversity of sea turtles because the planet is so vast that they can simply relocate to less crowded beaches. c. this has resulted in a decrease in numbers and diversity of sea turtles because it is restricting available nesting sites, and hence reproduction. d. this has resulted in an increase in numbers and diversity of sea turtles because people are around to protect them from natural predators.

How many species of living things are alive on earth today? more than 1,000,000 none of these answers are correct 100-500 1,000 –500,000 o 500,000 -1,000,000

What causes darkening of the skin as melanin production increases