Biology 2 Chapter 1: Exploring Life
Which of the following statements is not consistent with Darwin's theory of natural selection?
Individual organisms experience genetic change during their life spans to better fit their environment.
The tree in your backyard is home to two cardinals, a colony of ants, two squirrels, and millions of bacteria. Together, all of these organisms represent
a community.
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.
Organisms belonging to the kingdom Plantae
are photosynthetic .
Organisms that are prokaryotes are in the domains
bacteria and archaea.
Which of the following statements is not an example of evolution that has resulted from human activity?
because of hunting, organisms such as bear and wolves are fewer in number.
Members of the kingdom Animalia
can obtain their food by eating other organisms.
Which of the following statements about genetics is true?
differences among organisms reflect different nucleotide sequences in their DNA.
Which of the following is a kingdom within the domain Eukarya?
fungi
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.
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.
Which of the following statements about the properties of life is false?
organisms have an unchanging, constant internal environment.
During a discussion about ecosystems, a student says, "Plants eat sunlight, and animals eat other organisms." Which of the following responses to the student's comment is the most accurate?
plants don't eat sunlight; they convert its energy and store it in the bonds of sugars.
The role of a control in an experiment is to
provide a basis of comparison to the experimental group.
To be scientifically valid, a hypothesis must be
testable and falsifiable.
Kingdom Fungi includes species
that obtain food by decomposing dead organisms and absorbing the nutrients.
An antibiotic kills 99.9% of a bacterial population. You would expect the next generation of bacteria
to be more resistant the that antibiotic.
A scientist preforms a controlled experiment. This means that
two versions of the experiment are conducted, one differing from the other by only a single variable.
In an ecosystem, energy
typically flows from producers through a series of consumers.
