Much like carbon, the recycling of nitrogen through Earth's spheres relies heavily on what type of organism?

Is it true or false that a phenomenon is science that can be repeatedly observed is called a scientific theory?

Is all bacteria bad? Question 1 options: Yes, most will get you sick Most bacteria are good as long as there are in the "multi-cellular" form. Most bacteria is actually not very well known. No, most is good or harmless

Which stimulus would a flatworm be able to detect The color of a predator The feel of an approaching rainstorm The sound of splashing water The smell of prey

After going through menopause, a woman may need to pay extra attention to her food and activity habits because she is now at increased risk for a. osteoporosis. b. type 2 diabetes. c. iron deficiency anemia. d. bronchial asthma.

Which term is used to describe what causes organisms to react to their environment?

Select the characteristic that makes viruses different than bacteria. a.) Viruses are not made out of cells. b.) Pathogenic viruses cause diseases. c.) Viruses are found everywhere. d.) Viruses need to eat almost constantly to remain alive.

What is one reason that vascular plants are larger than nonvascular plants?

Name one trait in which humans differ and list at least two variations of this trait.

Does a candle have cells

Which statement accurately describes the characteristics of monocot and dicot leaves? Monocot leaves have branched veins, while dicot leaves have straight veins. Monocot leaves are like needles, while dicot leaves are flat.