The complex of proteins and dna in a nondividing cell is called

chromatin

Explanation:

Chromatin (from the Greek chromatos, color) is a collection of strands, each formed by a long DNA molecule associated with histone molecules, a special type of protein. These wires are the chromosomes.

The chromatin filaments intersect eucromatin points with heterochromatin points. These two varieties of chromatin proceed differently according to the time of cell life. In the interphase, the segments of heterochromatin appear to be spiraled (similar to a telephone cord), while the segments of eurochromatin are distended. Thus, the chromonemas appear thicker and more colored at the heterochromatin points and are so thin that they are almost imperceptible at the level of the eurochromatin points.

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg