Properties of Life - Chapter 1

Bio 101

Life is organized in a hierarchical fashion. Which of the following sequences correctly lists that hierarchy from least inclusive to most inclusive?

molecule, organelle, cell, tissue, organ, organ system, organism, population, community, ecosystem

What is the difference between a tissue and an organ system?

An organ system includes tissues.

The tree in your backyard is home to two cardinals, a colony of ants, a wasp's nest, two squirrels, and millions of bacteria. Together, all of these organisms represent

 a community.

If you eat a hamburger, you are mainly eating ground-up beef muscle. What levels of organization are represented in this ground-up muscle?

 organelle, cell, and tissue

Which of the following statements about the properties of life is false?

All organisms have the ability to maintain a constant internal temperature.

Which of the following statements regarding a common cellular activity is false?

New cells are derived from cellular components like organelles.

Your instructor asks you to look into your microscope to see a prokaryotic cell. You will be looking for a cell that

has a membrane.

Which of the following statements about ecosystems is false?

Bacteria and fungi recycle energy within an ecosystem.

The ultimate source of energy flowing into nearly all ecosystems is

sunlight

In an ecosystem, energy

typically flows from producers through a series of consumers.

Which of the following statements about genetics is true?

Differences among organisms reflect different nucleotide sequences in their DNA.

Organisms that are prokaryotes are in the domains

Bacteria and Archaea.

Which of the following statements about the domain Bacteria is true?

All bacteria lack a nucleus.

Members of the kingdom Animalia

can obtain their food by eating other organisms

Kingdom Fungi includes species

that obtain food by decomposing dead organisms and absorbing the nutrients.

Which of the following is a kingdom within the domain Eukarya?

Fungi

All organisms belonging to the kingdom Plantae

have cellulose cell wall

A hypothesis is

a proposed explanation for a set of observations

A theory is

an explanation of an idea that is broad in scope and supported by a large body of evidence

To be scientifically valid, a hypothesis must be

testable and falsifiable

The role of a control in an experiment is to

provide a basis of comparison to the experimental group

A scientist performs a controlled experiment. This means that

two experiments are conducted, one differing from the other by only a single variable

Which of the following is most closely related?

plants and yeast

What is the highest level of classification?

Domain