Connecting Concepts from Different Fields of Biology

What statement is true about the cell?

• The cell is one of the basic units, conform only the internal organs of the organisms.

• The cell is the basic unit of life, they conform the organisms, these can be single-celled or multiple-celled.

• The cell is the basic unit of the chemical compounds, they have a nuclei loaded of protons.

• The cell can be found only in single-celled organisms, the most abundant on Earth.

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What is the metabolism?

Answer explanation

ll of the chemical processes that build up or break down materials

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The function of the deoxyribonucleic acid is

• To extract genetic information from a cell and send it to another cell.

• To produce chlorophyll and give energy to the plants.

• To deconstruct the material of the food to extract energy.

• To contains the information that determines inherited characteristics.

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Which of the following are examples of systems?

• Heart, veins and arteries.

• Ribs, bones in arms and legs, skull, spine, etc.

• Mouth, esophagus, stomach, etc.

• Fuel tank, fuel pump, gasoline injectors, accelerator pedal, etc.

Answer explanation

• * Circulatory system: heart, veins and arteries.

• * Skeletal System: bones or arms and legs, spine, etc.

• * Digestive System: mouth, esophagus, stomach, etc.

• * Fuel System: fuel tank, gas injectors, etc.

All answers are correct due to the concept system is not exclusive for living organisms.

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Explain the concept of Homesotasis

Answer explanation

Homeostasis is the maintenance of constant internal conditions in an organism, it is in charge to keep all processes running for the survival of the organism.

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How does relate homeostasis with negative feedback?

• Negative feedback is the deactivation of homeostasis in the organisms, always needed to rest.

• The change in the systems cannot be controlled by homeostasis, but the negative feedback can help to get this control.

• Homeostasis is usually maintained through a process called negative

  feedback. In negative feedback, a change in a system causes a response that

  tends to return that system to its original state.

• Homeostasis needs a negative feedback from the brain in order to activate the processes.

Explain the relationship of evolution and adaptation

Answer explanation

One way evolution occurs is through natural natural selection, a genetic, or inherited.

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In Biology, unity and diversity are

• Characteristics related due to all organisms have the same abilities to adapt, but , also are different in their unique shape and characteristics.

• They are not related, unity is linked to the groups formed and diversity with ethnicity.

• Diversity is part of the adaptation due to the environment and unity is they belong the same family.

• Theres no unity in the diversity, the diversity implies differences which is opposite to the concept of diversity.

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