logo

Topic study hub

Populations

A population consists of individuals of the same species that inhabit a specific area simultaneously.

7

Objectives

70

Flashcards

49

Questions

90 min

Study time

CambridgeIGCSEBiologyOrganisms and their environment

Choose a revision tool

Start revising Populations

Syllabus checklist

What you need to know

7 objective pages available

Populations outcomes7 objectives
  • A population consists of individuals of the same species that inhabit a specific area simultaneously.
  • A community is made up of all the different species populations that coexist within an ecosystem.
  • An ecosystem is defined as a system that includes a community of organisms and their physical environment, all interacting with one another.
  • The rate of population growth for a species is influenced by factors such as food availability, competition, predation, and disease.
  • In the sigmoid growth curve, identify the lag phase, exponential phase, stationary phase, and death phase for a population in a resource-limited environment.
  • Analyze and interpret graphs and diagrams that depict population growth trends.
  • Discuss the factors that contribute to each phase of the sigmoid growth curve, including the impact of limiting factors where relevant.

Key terms

DescribeIdentifyStateInterpretExplain

Exam tips

No exam tips are published for this topic yet.

Common mistakes

No common mistakes are published for this topic yet.

Practice preview

Continue by objective

Objectives are grouped by subtopic so students can jump straight to the exact skill they want to revise.

Related topics

Study nearby topics next