4.
according to the cell theory, cells come from

photosynthesis

spontaneous generation

cellular respiration

other living cells
5.
somatic stem cells are extracted from developed organs.

true

false

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

Individuals do not compete directly for resources, but are prey for the same predator

Si el equipo no fuera bueno no con el entrenador.