Answer: D. All living cells come from other living cells.
Explanation:
A is incorrect because organisms like bacteria and amoebas are unicellular, or have 1 cell.
B is incorrect because cells are specialized: nerve cells and muscle cells do not share the same function.
C is incorrect because inanimate objects are not alive and do not have cells.
D is correct because cells reproduce by mitosis, creating copies of themselves.
Structure X is only found in plant cells, and structure Y is found in plant and animal cells.
Answer:
Evolution is the process of genetic change from one generation to the next and may be caused by several methods. In essence, evolution occurs when some individuals or some alleles (gene types) reproduce themselves more than others,increasing their prevalence in subsequent generations.
Explanation:
Octopus<span> muscle fibers run in all directions; when contracted, they form a "skeletal" support system.</span>
Steps of the Scientific Method
Make an Observation. Scientists are naturally curious about the world. ...
Form a Question. After making an interesting observation, a scientific mind itches to find out more about it. ...
Form a Hypothesis. ...
Conduct an Experiment. ...
Analyse the Data and Draw a Conclusion.
