Answer:
In this experiment, you changed the number of worms in the soil and measured the effect of this change on the plant growth in the population.
The independent variable was the number of worms, and the dependent variable was the plant growth.
Explanation:
right on edge!
Answer:
Serotonin is an important chemical and neurotransmitter in the human body. it is believed to help regulate mood and social behavior, appetite and digestion, sleep, and memory
d. Mutations
Mutations are a natural
phenomenon that are alterations or slight modifications that occurs in the DNA.
It actually is typical for these modifications to occur in most DNA in our chromosomes.
Though the changes both intrinsically and extrinsically can only be the result
of such need, insignificant or have an insidious effect. It can’t be avoided
and it usually happens every time cells undergoes mitosis and meiosis. Further,
most of these modifications in the copied cells are good. Lastly, the mutation
process happens in the basic structure that shapes every cell and every
creature so it just a natural phenomenon, mostly.
Answer: Water flows through this type of soil
Explanation: permeable soil allows water to flow through it/drain through it, so it would be best for plants that need a lot of drainage