Answer:
c. the presence of nucleic acids
The answer is A. organism, species, community.
Organizational hierarchy is the hierarchy of complex biological structures. From least complex to most complex the order is as following:
atom, molecule, organelle, cell, tissue, organ, organ system, organism, population, species, community, ecosystem, biome, biosphere.
So, A is the right choice:
Organism is the basic living system. The higher level is species - a group of organisms that are able to reproduce. The higher level is community - an interspecific<span> group that includes interacting populations.</span>
Answer:
b.) centrosome
Explanation:
Centrosome is a structure with the function of main microtubule organizing center (MTOC) of the animal cell. This structure has a key role in mitosis where it acts as a regulator of cell-cycle progression. Centrosome is composed of two centrioles which serve to organize microtubules durind the cell division.
Answer:
P = mgh
You have the weight mg (100 N), now multiply by h (300 m).
P=(100 N)*(300 m) = 30000 J
Explanation:
Osmosis is the diffusion of water. It moves from areas of high to low, as does diffusion. Diffusion is particles, osmosis is water.