Grade 11 Biology Exam Review / Real Questions
with Correct Answers A+ Score Solutions.
1) species diversity
What are the three levels
2) genetic diversity
of biodiversity
3) ecosystem diversity
Units of inherited information that determine specific
Genes
characteristics or functions
Biodiversity The variety of life in the world
The sum of all the different forms of genes present in
Genetic diversity a particular species. It also helps the survival of
species
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,8/11/25, 6:29 AM Grade 11 Biology Exam Review / Real Questions with Correct Answers A+ Score Solutions.
A population whose members can breed freely in
Species
nature and produce fertile offspring
Why do farmers grow a It allows farmers to use the same equipment,
single type of corn? fertilizers and techniques on their land
Genetically uniform farms, that usually have little or
Monocultures
no biodiversity
The variety of species and relative abundance of the
species in a given area. This allows ecosystems to
Species diversity
survive environmental changes such as droughts,
plagues or disease outbreaks
The diverse range of habitats, the various organisms
Ecosystem diversity that live in the habitats and the relationships that
connect them
1) ecosystem cycle carbon, nitrogen and oxygen
2) micro-organisms make nutrients available and
What kind of organisms or break down toxic substances in water and soil
processes does 3) insects, bats, and other animals pollinate flowering
biodiversity help maintain? plants and crops
4) ecosystems clean air, purify water, control
erosion,more vent floods and modify climate
Species that have a disproportionately large effect on
Keystone species
the ecosystem in which they live, such as a honeybee
A deadly disease that is spread through mosquitoes
infecting people. It is called by a microscopic parasite
What is malaria
called plasmodium, that transmits this disease through
it's bite
To reduce confusion among different languages
Why use scientific naming
around the world, and to have a universal scientific
for animals?
name to each known species
A tool used by scientists and non-scientists to identify
Dichotomous key
organisms with which they are unfamiliar
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, 8/11/25, 6:29 AM Grade 11 Biology Exam Review / Real Questions with Correct Answers A+ Score Solutions.
What does the work "To cut in two"
"dichotomous" mean in
Greek?
It possesses a series of questions about an organism,
What does a dichotomous
and each question asks users to choose between two
key posses
possible characteristics that the organism may have
The science of naming, identifying, and classifying
Taxonomy
species
A system for naming specific species, which became
the most used classification system in biology,
Binomial nomenclature
invented in 1750 by the Swedish botanist Carolus
Linnaeus
What are the two main 1) a two-part Latin name
parts of the binomial 2) a hierarchy or ordering of the species into broader
nomenclature and broader groups
The two-part Latin name that is part of the binomial
Binomial
nomenclature
The first part of the specie's name, to which the
Genus
species belongs
1) domain
2) kingdom
3) phylum
What are the 8 groups of
4) class
the binomial
5) Order
nomenclature
6) family
7) genus
8) species
The variety of life in the world or a particular habitat
Biodiversity
or ecosystem
Ecosystem a specie's environment
Taxonomy Science of naming, identifying and classifying species
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