Answer:
A. Urinary system its the one system that holds waste
Explanation:
I think that the question is not clear enough. Can you be more specific?
If your question was something like this: how many atoms of hydrogen can be around carbon, then the answer is 4. Carbon forms 4 bonds with other atoms.
Please note that carbon need not always form bonds to four atoms. A carbon could form a double bond with an oxygen and then two single bonds to hydrogen atoms. The carbon is only bonded to three atoms, but is forming a total of four bonds (1 double and 2 singles).
Answer:
c. A chromosomal mutation can change the total number of chromosomes in the cell.
Explanation:
A gene mutation affects a single gene, and replication error is the main cause of gene mutation. A chromosomal mutation affects one part of chromosome or full chromosome. error in meiosis is the main cause of chromosomal mutation. Both mutations are responsible for a change in DNA. A chromosomal mutation leads to the change in total number of chromosomes in the cell.
Answer:
The correct answer is - yes, variation can be advantageous.
Explanation:
The population of the lima beans that are able to adapt to changes and include these variations in their population will lead individuals are able to survive and reproduce to increase their numbers in changing environments. The igher the variability in the population is, the higher the chances of the to be advantageous for their survival and increase their population.
Thus, the correct answer is - yes.