Answer:
Vertebrae
Explanation:
both birds and reptiles have a backbone or a <em>vertabrae. </em>therefore they are Vertebrates.
Hope this helped!
A. Earth worms
Because it can only flow one way
Answer:
sometimes
Explanation:
it all dependes on something
The deer population would drastically be reduced with the slower rate of reproduction and predators that would kill more deer than can reproduce. The environment would likely also have a reduced population of predators for deer, since the food source is reduced.