Hydra is a genus of small, fresh-water animals of the phylum Cnidaria
and class Hydrozoa. They are native to the temperate and tropical
regions.
Hope this helps!!!!
-Bekks
Answer:
here.
Explanation:
17. antibiotics
18. reproduction (growth is increase in size and number)
19. cell walls (like penicillin. This mechanism is important because it will not harm the host as human cells don't have cell walls.)
20. 70S ribosomes (because this is where protein synthesis occurs in bacteria)
Answer:
Yes.
Explanation:
If the graph line comes lowers from 1999 to 2013 so it means that steps taken by the EPA and the factories were effective in reducing air pollution. The steps taken by the EPA and the factories were effective in reducing air pollution occurs from two pollutants i. e nitrogen oxides (NOx) and sulfur dioxide (SO2) if they install chimneys which collect these gases and reduce pollution. if the factories uses coal having less concentration of sulphur so less air pollution occurs.
Alpha motor neurons receive input from a number of sources, including upper motor neurons, sensory neurons, and interneurons. The primary output of α-MNs is to extrafusal muscle fibers.
