Did the t. rex have an amniotic egg?

a. probably not because their is no history of closely related animals having an amniotic egg.

b. it is quite likely because lots of animals in the past have had amniotic eggs, so the t. rex probably did too.

c. it is quite likely because both the caiman and parrot have had amniotic eggs and they share recent common ancestor with the t. rex.

d. probably not because the t. rex is no longer living.

i’m failing biology, a girl out!

How are gene and protein sequences used to classify organisms?

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.

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?