Who is the first person to trace the characteristics of successive generations of a living thing?

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error?

One of the reasons that stars are so large is because

The fluid mosaic model of the membrane proposed that membranes