Font size
WorksheetsOUR LIVING PLANET
Total questions: 11
Worksheet time: 24mins
________ is the study of the interrelationship between organisms, other organisms and their environment.
Astrobiology
Biology
Ecology
________ is a field of science searching for life originating outside our living planet.
Astrabiology
Astrobiology
Astronomy
Earth is unique in the Solar System because it is the only planet that __________.
rotates on its axis
has water
can sustain life
The biosphere includes all parts of the earth and its atmosphere where life exists.
True
False
Biodiversity refers to __________.
the total number of organisms in an area
the amount of habitat available in an area
the number of species in an area
Which of the following can be considered as biotic factor of an ecosystem?
average temperature
total rainfall
the decomposers in the soil
All the organisms of the same species and living in the same area are known as a/an ___________________.
community
population
individual or organism
The smaller part of an ecosystem where an organism lives is known as that organism's ___________.
biosphere
niche
habitat
In the Great Barrier Reef, organisms living there are affected by __________ like water temperature, light, ocean floor and water pressure.
biotic factors
abiotic factors
These are regions or large areas of the biosphere that share certain conditions like climate and have certain organisms suited to live in it.
(a)
Within a biome are (a) , limited areas in which living and non-living things interact.
