Question 1

Which of the following best describes the cell theory in biology?

Accepted Answer

All organisms are composed of cells, and new cells come only from preexisting cells.

Question 2

A scientist discovers a new organism that is unicellular and lacks a nucleus. Based on the major domains of life, to which domain does this organism most likely belong?

Accepted Answer

Archaea

Question 3

Which of the following is an example of homeostasis in humans?

Accepted Answer

Sweating to cool the body when overheated

Question 4

Which of the following correctly lists the hierarchy of biological organization from smallest to largest?

Accepted Answer

Atom $$\rightarrow$$ Molecule $$\rightarrow$$ Cell

Question 5

Methane ($$CH_4) is an $$example of which level of biological organization?

Accepted Answer

Molecule

Question 6

Which of the following statements about evolution is most accurate?

Accepted Answer

All living organisms have a common ancestor, but each is adapted to a particular way of life.

Question 7

A sunflower and a whale are both classified as living organisms. Which property do they share that distinguishes them from nonliving things?

Accepted Answer

They are both composed of cells.

Question 8

Which of the following is NOT a characteristic shared by all living things?

Accepted Answer

Ability to photosynthesize

Question 9

A nerve cell is an example of which level of biological organization?

Accepted Answer

Cell

Question 10

Which of the following best explains why bacteria are classified as prokaryotes?

Accepted Answer

They lack a nucleus and membrane-bound organelles.

Question 11

Which of the following domains includes organisms such as fungi, animals, and plants?

Accepted Answer

Eukarya

Question 12

Which of the following is a correct example of a scientific classification from domain to species for humans?

Accepted Answer

Domain: Eukarya $$\rightarrow$$ Kingdom: Animalia $$\rightarrow$$ Phylum: Chordata $$\rightarrow$$ Class: Mammalia $$\rightarrow$$ Order: Primates $$\rightarrow$$ Family: Hominidae $$\rightarrow$$ Genus: Homo $$\rightarrow$$ Species: H. sapiens

Question 13

Which of the following is a real-world example of homeostasis?

Accepted Answer

A plant closing its stomata to prevent water loss during drought

Question 14

Which of the following statements about atoms and molecules is correct?

Accepted Answer

Molecules are made of two or more atoms.

Question 15

Which of the following is NOT a member of the supergroup Opisthokonta?

Accepted Answer

Dinoflagellates

Question 16

A researcher is studying a cell that contains a nucleus, mitochondria, and chloroplasts. To which domain does this cell most likely belong?

Accepted Answer

Eukarya

Question 17

Which of the following best illustrates the concept of evolution?

Accepted Answer

A population of bacteria developing resistance to antibiotics over several generations

Question 18

Which of the following is the correct formula for methane?

Accepted Answer

$$CH_4$$

Question 19

Which of the following is a correct statement about the relationship between structure and function in biology?

Accepted Answer

The structure of a cell determines its function within an organism.

Biology: The Study of Life – Chapter 1 Study Notes

Guida di studio - Domande di pratica

Study guide - Flashcard