2. Of the fishes and marine reptiles, which are considered endothermic?
Tuna and leatherbacks
Sunfish and leatherbacks
Sunfish and green turtles
Tuna and loggerheads

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

they have identical fossils of organisms that have evolved over time.

both have animal fossils preserved in them due to weathering and erosion.

they contain different fossils because life on earth has changed through time.

the fossils in them were formed on the surface of earth due to exposure to sunlight.

answer; blank(1); cervical; blank(2); lumbosacral;