14 Hypothesize What would happen to the ecosystem

if there were no nitrogen-fixing bacteria?

if the percent concentration is greater in the fluid outside a cell than inside a cell, how will the water flow

Based on what you know about the planets, which planet would be impossible for humans to land on

What would be a negative impact on the environment from a large-scale mining effort in the ocean?

All human cells contain 46 chromosomes; 23 from the dad and 23 from the mom.

Which is the likely cause of the current increase in rates of extinction? an increase in predator populations a decrease in diseases an increase in the human population an increase in natural disasters

Saliva contains digestive enzymes to begin digesting:

Is there more lymphoid tissue in adults than in children?

Which is the correct order of processes that occur as water moves from a lake to a cloud and then back to Earth's surface?

How can changes in one part of earth affect another part

You and other scientists have been able to get the same results after many experiments. What is this proven data called? A. theory B. hypothesis C. scientific law