g Which statement is true about endothermy in mammals and birds? Which statement is true about endothermy in mammals and birds? Birds are reptiles and all reptiles are ectothermic. They both inherited this trait from a common ancestor. Endothermy arose independently in these two lineages. Birds are more closely related to mammals than to reptiles.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.

What happens during interphase? (1)the nucleus grows to its full size. (2)the cell grows to its full size. (3)the nucleus divides into two nuclei. (4)the cell divides into two cells.