QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
The biotic components of terrestrial ecosystems are referred to as - ANSWER Biomes
Biomes - ANSWER groupings of plants and animals (communities) defined by a dominant vegetation type
Two abiotic factors - ANSWER Climate
Weather
Climate - ANSWER prevailing, long-term weather conditions found in the area
Weather - ANSWER specific, short-term weather atmospheric conditions of temperature, moisture,
sunlight, and wind
What is the taxonomic grouping of humans / primates / great apes primarily - ANSWER family Hominidae
/ Humans thought to be closely related to bonobos (pigmy chimps)
Net Primary Productivity (NPP) - ANSWER the total amount of carbon that is fixed per year minus the
amount of fixed carbon that is oxidized during cellular respiration.
aboveground biomass - ANSWER total mass of living plant tissues in a given area (excluding roots)
Tropical wet forests - ANSWER found in equatorial regions of the globe where temps and rainfall are high
and annual variation is low
Subtropical Desert - ANSWER away from equator, characterized by high average annual temps, moderate
variations in temp and very low precipitation.
Low productivity
, Temperate Regions - ANSWER Moderate temperatures relative to the tropics and polar regions, and
temperatures vary greatly with the season
Temperate Grasslands - ANSWER Includes steppes and prairies that form in temperate regions with
relatively low precipitation
Boreal Forest / Taiga - ANSWER forms on subarctic lands just south of the Arctic Circle. Characterized by
very cold winders and short, cool summers; temperature variation is extreme.
Hadley Cell - ANSWER Major cycle in global air circulation. Responsible for the pattern of moisture lost
and dry environments around 30N and 30S latitude.
Rain shadow - ANSWER winds from the ocean cool and drop precipitation on one side of a mountain
range and not on the other side, creating high deserts
Global Warming - ANSWER carbon dioxide pollution is causing this to occur
Littoral Zone - ANSWER consists of shallow waters along the shore, where flowering plants are rooted.
Limnetic Zone - ANSWER offshore and comprises water what receives enough light to support
photosynthesis
Wetlands - ANSWER shallow-water habitats where the soil is saturated with water for atleast part of the
year
Genetic Diversity - ANSWER total genetic information contained within all individuals of a species. It is
measured as the number and relative frequency of all alleles present in a species. Gene pool.
Species Diversity - ANSWER variety of life-forms on Earth, measured as the number and relative
frequency of species in a particular region.