IB ESS EXAM 1 questions with complete solutions

IB ESS EXAM 1

species - correct answer ✔✔a group of organisms with common characteristics that interbreed and
produce offspring



population - correct answer ✔✔a group of organisms of the same species that interbreed and live in the
same area at the same time



community - correct answer ✔✔a group of populations of different species that live and interact with
each other in a common place or habitat



ecosystem - correct answer ✔✔a community of interdependent organisms and their interactions with
the environment they inhabit



biome - correct answer ✔✔a collection of organisms sharing common climatic conditions. Rainfall,
temperature, and insolation are the three main factors that determine the distribution, function, and
structure of the biomes



biosphere - correct answer ✔✔the part of the Earth that is inhabited by living organisms and all of the
living organisms present on the planet Earth



biotic components - correct answer ✔✔the living parts of an ecosystem including organisms, their
interactions, and their waste



abiotic components - correct answer ✔✔all of the nonliving physical and chemical components of an
ecosystem



habitat - correct answer ✔✔the environment where a species (or a population of a species) normally
lives



ecological niche - correct answer ✔✔how a species makes a living