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IB ESS: Chapter 2 questions with 100% correct answers graded A+
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IB ESS: Chapter 2 questions with 100% correct answers graded A+
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IB ESS: Chapter 2Species - correct answer ✔✔A group of organisms that can mate together and produce young that are
able to breed and have their own young
Populations - correct answer ✔✔A group of organisms of the same species living in the same area at the
same time
Habitat - correct answer ✔✔The place where a species lives
Niche - correct answer ✔✔Where, when, and how a species lives. A complete description of a species'
place within a community
Fundamental Niche - correct answer ✔✔The full range of conditions and resources in which a species
could survive and reproduce.
Realized Niche - correct answer ✔✔The actual conditions and resources in which a species actually exists
due to biotic interactions.
Abiotic Factors - correct answer ✔✔A nonliving part in an ecosystem.
Biotic Factors - correct answer ✔✔A living, biological part in an ecosystem.
Predation - correct answer ✔✔Process of an animal eating another animal.
Predator-prey Relationships - correct answer ✔✔How predator/prey populations affect each other.
Herbivory - correct answer ✔✔The process of an organism feeding on a plant.
, Herbivore - correct answer ✔✔An organism that feeds on plants.
Pathogen - correct answer ✔✔An organism that causes disease.
Competition - correct answer ✔✔The demand by two or more species for limited environmental
resources.
Intraspecific Competition - correct answer ✔✔Competition within a species.
Interspecific Competition - correct answer ✔✔Competition between different species.
S-curve - correct answer ✔✔Population growth curve which shows an initial rapid growth (exponential
growth) and then slows down as the carrying capacity is reached.
Density-dependent factors - correct answer ✔✔Factors that lower the birth rate or raise the death rate
as a population grows in size.
Density- Independent factors - correct answer ✔✔Factors that affect a population irrespective of
population density (e.g. environmental change).
J-curve - correct answer ✔✔Population growth curve which shows exponential growth. Growth is
initially slow then increasingly rapid, and does not slow down.
Limiting Factors - correct answer ✔✔Factors that constrain populations.
Community - correct answer ✔✔A group of different species living together in a common habitat.
Photosynthesis - correct answer ✔✔The process by which green plants convert light energy from the sun
into usable chemical energy stored in organic matter. It requires carbon dioxide, water, chlorophyll, and
light.
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