Does the majority of the dry body mass derive from the soil or air

Photosynthesis is an endergonic reaction. Why?

Process requiring energy for the movement of particles across a cell membrane across against the concentration gradient

In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores? 10% 20% 80% 90%

Which part of the female reproductive system has no other function but to provide sexual stimulation?

What term defines chance changes in allele frequency that have a big effect in small populations?

Describe the process of melting.

An male animal has a genotype of AaBB. The number of different gene combinations that would be found in the sex cells/sperm of this animal would be: a) 1 b) 2 c) 4 d) 6 e) 8

Which of the following is a human - Made factor that can change climate? A. The solar cycle B. Respiration C. Industry D. Earthquakes

Why does the phylogenetic tree tell you about the evolutionary relationships of animals? A. animals are unrelated to one another. B. Animals have many different ancestors. C. Animals belong to serval different kingdoms. D.

How to increase sodium levels in elderly without causing water retention?