Pulmonary valve - connects right ventricle and pulmonary trunk (which divides into right and left pulmonary arteries). It is a semilunar valve
Answer:
The age of a rock in years is called its absolute age.
Answer:
c. Evolution
Explanation:
Antibiotics are drugs that fight infections by destroying specific parts of the bacteria that cause them. To survive the attack, some bacteria evolve, adapt and create resistance to medication. Then, this practically immune bacteria to the medicine can spread its "superpower" to the descendants. This is why taking antibiotics without a doctor's request is so dangerous to your health and that of the general population.
During interphase chromatin is in its least condensed state and appears loosely distributed throughout the nucleus. Chromatin condensation begins during prophase and chromosomes become visible. Chromosomes remain condensed throughout the various stages of mitosis
hi! producers are the main source of energy for consumers because they turn sunlight into chemical energy. without producers, no ecosystem would be able to survive because consumers would no longer have energy needed to live. hope this helps!
