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. All living organisms are composed of one or more cells.
2. Different cell types develop in a multicellular organism because each cell has its own unique set of genes.
3. Underlying similarities in biochemistry and genetics support the idea that all life evolved from a single ancestor.
4. Molecules in different organisms that perform the same function are likely to have a similar structure.
5. Evolutionary conservation explains the diversity of life.
6. Information stored in inorganic molecules is used to direct the synthesis of cellular components.
7. Cells process information stored in their DNA as well as information they receive from the environment.
8. Organisms are closed systems that require an input of energy in order to maintain their high level of complexity and organization.
9. Homeostasis is possible because elaborate signaling networks coordinate the activities of different cells within an organism.
10. The unity of living systems arises through evolutionary change.

Sagot :

The answers are 1. True 2. false 3. true 4. true 5. false 6. false 7. true 8. false 9. true 10. false

1. True

For something to be a true organism, it must have at least one cell. Viruses are not covered in this.

2. False

DNA is the same in every cell.

3. True

Recent studies have suggested that all living things have descended from a single ancestor, in the case of Thomas Cavalier-theory, Smith's that ancestor would have been the canao flagellated protists.

4. True

DNA, for instance, is a universal molecule that, even in various organisms, continues to serve the same purpose of "creating" the proteins required for an individual's cells.

5. False

Biodiversity, which is brought about by DNA mutations, environmental pressure, and natural selection, provides an explanation for the variety of life.

6. False

In organic molecules like DNA, information is preserved.

7. True

Additionally, the environment can influence how our cells interpret information. An illustration would be that during our body releases large amounts of the hormone testosterone, which increases our heart rate and blood pressure.

8. False

organisms are open systems rather than closed ones.

9. True

The capacity to keep the internal environment in a state of nearly constant equilibrium despite changes in the external environment is known as true homeostasis. The complex signaling networks that exist between various cells in an organism make it feasible.

10. False

The oneness of biological systems emerges from false evolutionary change.

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