Answer:
NON DISJUNCTION: when 2 homologous chromosomes move to the same pole during meiosis. One daughter cell will be missing one chromosome while the other will have an extra chromosome.
Explanation:
It has been estimated that active tobacco smoking causes close to 90% of lung cancer cases and is the cause of 87% of lung cancer deaths.
Answer: When studying a rock sample, geologists observe the rock's mineral composition, color, and texture.
Explanation:
Answer:
B
Explanation:
Amount of energy decreases as it goes higher up the trophic levels.
