Question 1

Which of the following is NOT considered a characteristic of living organisms?

Accepted Answer

Ability to photosynthesize

Question 2

At which ecological scale do all biotic and abiotic interactions within a given area occur?

Accepted Answer

Ecosystem

Question 3

Which of the following best describes a population in ecological terms?

Accepted Answer

Interactions between members of the same species in a given area

Question 4

Which of the following statements about prokaryotic cells is correct?

Accepted Answer

Their DNA is free within the cytosol

Question 5

A scientist discovers a new organism whose DNA is separated from the cytosol by a membrane. Which type of cell does this organism most likely have?

Accepted Answer

Eukaryotic

Question 6

Which of the following is the correct order of biological organization from smallest to largest?

Accepted Answer

Cell → Tissue → Organ → Organ System → Organism

Question 7

Which of the following is true about the 3-domain system of classification?

Accepted Answer

It is based on molecular analysis of rRNA

Question 8

Which of the following best describes the difference between a community and an ecosystem?

Accepted Answer

A community includes all living organisms in an area, while an ecosystem includes both living and nonliving components

Question 9

Which of the following is the smallest functional unit of life?

Accepted Answer

Cell

Question 10

A researcher is studying the interaction between wolves and deer in a forest. At which ecological scale is this research focused?

Accepted Answer

Community

Question 11

Which of the following statements about the history of biological classification is correct?

Accepted Answer

The 3-domain system was developed after molecular analysis of rRNA

Question 12

Which of the following is an example of a molecule found in cells?

Accepted Answer

DNA

Question 13

Which of the following best explains why viruses are not considered living organisms?

Accepted Answer

They are not made of cells

Question 14

A student observes that a certain cell has no nucleus and its DNA is found in the cytosol. Which type of organism is this cell most likely from?

Accepted Answer

Bacterium

Question 15

Which of the following is a correct statement about the biosphere?

Accepted Answer

It is the sum of all ecosystems on Earth

Question 16

Which of the following best describes the relationship between atoms and molecules in biological systems?

Accepted Answer

Molecules are made of atoms bonded together

Question 17

Which of the following is NOT a level of organization found in multicellular organisms?

Accepted Answer

Molecules

Question 18

A biologist is studying the effect of a pollutant on the interaction between different species of fish in a lake. Which ecological scale is most relevant to this study?

Accepted Answer

Community

Question 19

Which of the following is a defining feature of eukaryotic cells compared to prokaryotic cells?

Accepted Answer

DNA enclosed by a nuclear membrane

Question 20

Which of the following best describes the main reason for the shift from the 5-kingdom system to the 3-domain system?

Accepted Answer

Advances in molecular analysis, especially of rRNA

Study Guide: Biologists Study Life on Many Scales & Taxonomy

Study Guide - Practice Questions

Study Guide - Flashcards