the student should scrap off the layers until a very thin layer remains and put it back on the microscope then the student will be able to view the details of only one cell layer
Answer: it is difficult because it is necessary to understand some concepts used in a system. For example what is a boundary, and environment which can be positive or negative, etc. A sample could be the course OpenLearn that provides an example of Computing & IT.
Explanation:
Answer:
homologous structure
analogous structure
natural selection
This is known as an analogous structure.
To make this determination, you need to think about if the features are the same in function or also in structure. Features that have a closely related structure and function are likely to be related.
To learn more about why your friend is in the hospital, you should research vestigial structures.
These two beetles aren't closely related, but they look and behave similarly. This is because they live in the same environmental conditions and likely share a common ancestor that lived in Gondwana (the supercontinent that included the southern continents before they split apart through plate tectonics).
Australia has so many genetically distinct organisms because it has been separated from other bodies of land by water for a very long time. This has created an opportunity for long-term independence of other geographic areas.
Explanation:
Penn Foster
Order:
1) A substrate enters the active site of enzyme.
2) The enzyme and substrate bind to form an enzyme substrate complex.
3) The chemical reaction occurs
4) New substances called ‘products’ are formed.
Answer:
D. All of the above.
Explanation:
Recommended Dietary Allowance (RDA) is a term that refers to the amount of vitamins, minerals and protein that should be consumed daily to meet the nutritional needs of most individuals and groups of people in a healthy population. The RDA should be recommended by a nutritionist, in addition it is noteworthy that the RDA can be used as a guideline to provide nutritional adequacy for micronutrients and often the RDA values are different for men and women.
