The cells of a polar bear came from a single living cell that divided many times. What part of the cell theory supports this statement?

Scientists that identify and name organisms

What would happen to the size of the lion population if elephants usually won this competition

The leading cause of limited water supplies is?

Give an example of a physical change and an example of a chemical change

Facilitated diffusion can be described as the favorable movement of one solute down its concentration gradient being coupled with the unfavorable movement of a second solute up its concentration gradient. True or false?

What is a cost of using technology to transport water?

The diagram below shows the structure of a plant cell

What does property mean in science

Does age affect where languauge affects the parts of the brain

Which group of humans is likely to experience the most devastating symptoms of toxoplasmosis? the elderly pregnant women infants unborn babies