WorksheetsUnit 1 Classification and Characteristics of Life Review
Total questions: 44
Worksheet time: 35mins
Which of the following characteristics is shared by all living organisms?
Breathing oxygen
Metabolism
Reproducing sexually
Heterotrophic
Which type of organism has cells that lack a true nucleus?
Prokaryote
Eukaryote
Multicellular
Protist
Organisms that consist of more than one cell are called:
Unicellular
Prokaryote
Multicellular
Colonial
Which type of reproduction involves only one parent and results in offspring that are genetically identical?
Sexual Reproduction
Asexual Reproduction
Internal Fertilization
External Fertilization
The ability to maintain a stable internal environment is known as:
Metabolism
Homeostasis
Growth and Development
Evolution
Organisms that make their own food, usually through photosynthesis, are known as:
Heterotrophs
Autotrophs
Mixotrophs
Internotrophs
Which of the following best describes the process by which organisms increase in size and develop specialized structures?
Evolution
Growth and Development
Sexual Reproduction
Metabolism
What is the process called by which living organisms change over time, adapting to their environment?
Evolution
Asexual Reproduction
Homeostasis
Metabolism
Which characteristic allows an organism to react to environmental changes?
Metabolism
Respond to Stimuli
Homeostasis
Reproduction
Organisms that obtain their energy by consuming other living things are called:
Heterotrophs
Autotrophs
Mixotrophs
Internotrophs
Which of the following types of cells have a true nucleus?
Prokaryote
Eukaryote
All cells
No cells
Which process allows organisms to pass on their genetic information to their offspring?
Homeostasis
Respond to Stimuli
Metabolism
Reproduction
The sum of all chemical reactions in an organism that provide energy and build materials is known as:
Homeostasis
Evolution
Respond to Stimuli
Metabolism
Which term refers to organisms that consist of a single cell?
Multicellular
Colonial
Dead
Unicellular
What term is used for the genetic material found in the cells of living organisms?
Metabolism
Homeostasis
Nucleus
DNA
Which type of reproduction results in genetically diverse offspring?
Sexual Reproduction
Asexual Reproduction
Internal Fertilization
External Fertilization
What is the process by which a living organism takes in energy and uses it for life functions?
Metabolism
Evolution
Respond to Stimuli
Homeostasis
Which term best describes the ability of living organisms to respond to their environment, such as moving away from light or seeking warmth?
Growth and Development
Homeostasis
Respond to Stimuli
Metabolism
Which of the following is a characteristic of eukaryotic cells?
Having a true nucleus
Being only unicellular
Lacking a nucleus
Being only multicellular
Biology is the study of _________.
Animals
Microscopic organisms
Plants
All living things
The ability of a microscope to show details clearly is called ______.
Enlargement
Resolution
Magnification
Reduction
An object viewed under the low power objective lens(10X) has a total magnification of _____.
40X
100X
400X
1000X
An object viewed under the high power objective lens (40X) has a total magnification of ____.
40X
100X
400X
1000X
Which of the following is NOT a major domain of life?
Archaea
Bacteria
Eukarya
Abiotia
What is the primary distinction between the three domains of life?
Cell wall structure
How they obtain energy
Presence of a nucleus
All of the above
Which of the following is the most inclusive taxonomic rank?
Kingdom
Phylum
Genus
Domain
Which taxonomic rank is used to group the most closely related species together?
Kingdom
Phylum
Genus
Domain
Which taxonomic rank is used to group the most closely related species together?
Kingdom
Phylum
Genus
Domain
What is the difference between an independent and dependent variable?
Independent variables are measured, dependent variables are manipulated
Independent variables are manipulated, dependent variables are measured
Independent variables are controlled, dependent variables are observed
All of the above
Are archaea multicellular or unicellular?
Multicellular
Unicellular
Are bacteria multicellular or unicellular?
Multicellular
Unicellular
Are archaea prokaryotes or eukaryotes?
Prokaryotes
Eukaryotes
Are bacteria prokaryotes or eukaryotes?
Prokaryotes
Eukaryotes
Give an example of an autotroph.
Animals
Fungi
Plants, algae, and some bacteria
Decomposers
What do you call organisms that can make their own food?
Heterotrophs
Autotrophs
Decomposers
Saprophytes
Give an example of a heterotroph.
Plants
Animals
Photosynthetic bacteria
Fungi
What do we call organisms that cannot produce their own food?
Autotrophs
Heterotrophs
Phototrophs
Chemotrophs
What is the genus name here:
Canis lupus
Canis
lupus
What level comes after order?
genus
kingdom
family
species
The _________ levels that 2 organisms share, the more similar they are to each other.
fewer
more
All living things are made of
cells
prokaryotes
autotrophs
heterotrophs
What is a prokaryote?
an organism that has nuclei in its cells
an autotroph
a heterotroph
an organism without a nucleus in its cells
Which of these is a eukaryote?
bacteria living in your digestive system
archaea
bacteria living in food
mold
