Definition of Life in Biology

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Which of the following is an example of a macromolecule?

Water

Carbon dioxide

Glucose

DNA (correct)

What is the smallest fundamental unit of structure and function in living organisms?

Cells (correct)

Organelles

Tissues

Organs

Which type of cells lack organelles surrounded by a membrane and do not have nuclei?

Plant cells

Prokaryotic cells (correct)

Eukaryotic cells

Animal cells

What is the level of organization that consists of functionally related organs?

Organ systems Signup and view all the answers

Which of the following statements is true about viruses?

Viruses need to invade living cells to reproduce. Signup and view all the answers

What is the fundamental unit of matter that consists of a nucleus surrounded by electrons?

Atom Signup and view all the answers

Why do viruses not meet the criteria to be classified as living organisms?

They lack certain characteristics of living entities Signup and view all the answers

In biology, what do biologists seek to understand regarding the diversity of life?

How did this diversity arise and how is it continuing Signup and view all the answers

What is the science that studies life and its various aspects?

Biology Signup and view all the answers

What is the hierarchy scale that living things follow, from small to large?

Atom-Molecule-Organelle-Cell-Tissue Signup and view all the answers

Which type of cells are classified as single-celled organisms that lack organelles surrounded by a membrane and do not have nuclei?

Prokaryotic cells Signup and view all the answers

What is the level of organization that consists of tissues grouped together based on a common function?

Organs Signup and view all the answers

Which of the following is false regarding the structure of living organisms?

Organelles exist within cells which exist within tissues. Signup and view all the answers

In which level of organization do communities exist within populations which exist within ecosystems?

Biosphere Signup and view all the answers

Which of the following is true regarding viruses?

Viruses lack organelles and nuclei. Signup and view all the answers

Definition of Life in Biology

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