Asap 20+ pts

how does nutrient availability relate to productivity and species survival?

Every organism needs nutrients to build tissues and carry out life functions.

Like water, nutrients pass through organisms and the environment through biogeochemical cycles. ... -if ample sunlight and water are available, the primary productivity of an ecosystem may be limited by the availability of nutrients.

1.the evidene of the reaction

2.yes

3.yes

answer; ///(b) it is composed of four protein chains and four heme groups;