The Earth Flashcards
what is the hydrosphere?
the hydrosphere is the liquid component of the earth and encompasses oceans, seas, lake, ponds and pools and covers approximately 70% of the earth’s atmosphere.
what is the biosphere?
The biosphere refers to all life on earth, specifically all living organisms such as plants, humans and animals.
what is the lithosphere?
The lithosphere is the solid rock mass of the earth, from the centre core of the Earth, to grains of sand they all contribute to the lithosphere…
what is the atmosphere?
the layers of gas surrounding the earth from the inner troposphere to the exosphere.
what is an ecosystem?
an ecosystem is defined as a community of organisms which interact with each other and their environment.
what contributes to a sustainable ecosystem?
a biological environment and series of habitats that is able to thrive and support itself, it is diverse and provides for the needs of the organisms that live there.
what is a community?
a biological community is an interacting group of various species living in a common location.
what is a biotic factor?
biotic factors are all living parts of the ecosystem (organisms).
what is an abiotic factor?
non living parts of the ecosystem.
What is the main source of energy for life on Earth?
radiation from the sun.
what is aerobic respiration?
the process by which organisms break down glucose with oxygen to create energy.
what is the worded equation for photosynthesis?
water + carbon dioxide —– (sun) glucose + oxygen
what is the worded equation for aerobic respiration?
glucose + oxygen - water + carbon dioxide + ATP (energy)
