biology quiz chapter 2 Flashcards
Which one of the following statements about brown pelicans is false?
a) are scavengers, feeding slowly by skimming up floating remains of fish
b) can nest on the ground or in trees
c) feed primarily on fish
d) were greatly affected by human use of pesticides
Are scavengers, feeding slowly by skimming up floating remains of fish
Life is organized in a hierarchical fashion. Which one of the following sequences illustrates that hierarchy as it increases in complexity?
Molecule, cell, tissue, organ, organ system, population, community, ecosystem
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’re mainly eating ground up beef muscle. what levels of organization are represented in this ground up muscle?
Organism, population, and community
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
A consumer eating a producer represents
A transfer of chemical nutrients and energy
Which of the following, if any, is not a common cellular activity?
a) cells respond to the environment
b) cells develop and maintain complex organization
c) cells take in and use energy
d) cells regulate their internal environment
e) all of the choices are common cellular activities
All of the choices are common cellular activities
The formation of systems typically results in the appearance of novel characteristics called
Emergent properties
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 is/are properties of life?
a) a complex organization
b) the ability to take in energy and use it
c) the ability to respond to stimuli from the environment
d) the ability to reproduce
e) all of the choices are correct
All of the choices
Which of the following statements is correct?
a) Genes are proteins that produce DNA
b) Each organism has its own unique DNA code
c) Differences among organisms reflect different nucleotide sequences in their DNA
d) Each DNA molecule is a single strand of nucleotides
Differences among organisms reflect different nucleotide sequences in their DNA
Which of the following is false? Living systems
a) are composed of two or more cells
b) maintain a relatively consistent internal environment
c) respond to changes in the environment
d) encode their genetic information in DNA
e) grow and develop
Are composed of two or more cells
Members of the Kingdom Animalia
Are composed of cells that lack a cell wall
Organisms that are not prokaryotes are in the domain
Eukarya