organisms that feed on other dead organisms are called ...
A) producers
B) Consumers
C) Recylers
D) Decomposers
D) Decomposers
Archaea cell walls are chemically different from ...
a) Virus
b) Bacteria
b) Bacteria
Bacteria that get their nutrients by feeding on other organisms are ...
A) Producers
B) Consumers
C) Decomposers
B) Consumers
Is a virus living or non-living?
Non-living - it cannot function on it's own
Archaea and bacteria are ...
a) 2 domains of eukaryotes
b) 2 domains of prokaryotes
c) 2 kingdoms of eukaryotes
d) 2 kingdoms of prokaryotes
b) 2 domains of prokaryotes
A domain of prokaryotes that usually have a cell wall and that usually reproduce by cell division.
A) Archaea
B) Bacteria
C) Eukarya
D) Viruses
B) Bacteria
Some of the molecules in archaea are similar to those in ...
A) Bacteria
B) Eukaryotes
C) Viruses
B) Eukaryotes
True or False?
Bacteria must stick together in strands or films in order to function as organisms?
False - they often stick together, but function independently
What gives a virus its shape?
A) Host Cell
B) Genetic Material
C) Protein Coat
D) Chemicals
C) Protein Coat
Which of the following is genetically different from bacteria and has unique chemicals in it's cell wall?
a) Archaea
b) Prokaryotes
c) Virus
a) Archaea
A living thing that a virus or parasite uses for resources or shelter.
A) Nutrients
B) DNA
C) Host
D) Energy
C) Host
Archaea most often live in _______________ but recently have been discovered to live everywhere.
A) Stable Environments
B) Harsh Environments
B) Harsh Environments
A) Spiral
B) Rod
C) Round
A) Spiral
The more people vaccinated against the flu ...
A) The more people to become infected.
B) The less people to become infected.
C) Does not change how many people are infected.
B) The less people to become infected.
Which type of bacteria must use sunlight to make food?
A) Producers
B) Consumers
C) Decomposers
A) Producers
A form of asexual reproduction when one single-celled organism splits into two single-celled organisms.
A) Chromosome
B) Mitosis
C) Lysis
D) Binary Fission
D) Binary Fission
Bacteria and archaea are so small that they can only be seen under a microscope. This means that they are ...
A) Eukaryotes
B) Species
C) Microorganisms
C) Microorganisms
True or false?
The first step in bacterial reproduction is the formation of a new cell wall that separates the two new cells.
False - the first step is copying the genetic material
True or false?
Many viruses cannot spread from one type of an organism to another.
True - you cannot infect a plant with a cold
Which two types of organisms reproduce by binary fission?
A) Eukarya and Archaea
B) Bacteria and Archaea
C) Eukarya and Bacteria
D) Viruses and Bacteria
B) Bacteria and Archaea
What thick protective coating is formed in order for bacteria to survive in harsh conditions?
A) Microoganism
B) Cell Wall
C) Cell Membrane
D) Endospore
D) Endospore
Which of the following is considered a harsh environment?
A) The Beach
B) The Mountains
C) A Hot Spring
D) A countertop
C) A Hot Spring
The three ways bacteria can get new genetic information. They are transduction, conjugation and ...
A) Transformation
B) Seperation
C) Lysis
D) Decomposers
A) Transformation
When a host cell is full of new viruses it must burst, destroying the cell, this is called ...
A) Lysis
B) Binary Fission
C) Mitosis
D) Homeostasis
A) Lysis
Provide one reason why viruses are different than living things.
1. They cannot grow.
2. They do not maintain homeostasis.
3. They do not respond to stimuli.
4. They do not use energy form nutrients.
5. They cannot function on their own.