The right answer is B. Chromosome
In its most scientifically rigorous definition, a chromosome is a fully condensed structure of chromatin.
In optical microscopy, condensed regions formed of heterochromatin and decondensed regions of euchromatin are distinguished on the chromosomes. The genes expressed are located mainly at the level of euchromatin.
No, heterotrophs do not covert solar energy into chemical energy. Heterotrophs are organisms, like humans, that find their own food. They can not physically make their own food because they can't use the process of photosynthesis. So, heterotrophs hunt or gather their own food.
Answer:
I think it would be they will eventually reach their carrying capacity.
Answer:
Cells, From birds to bacteria, we all have cells or are cells, depends.
After nutrients are absorbed during digestion, the excretory system removes solid waste products, or feces, through the rectum. The excretory system also works with the respiratory and circulatory systems and removes carbon dioxide from the body