Slides in this set
All animals in a ecosystem are interdependent.
Interdependence refers to the relationship between living
organisms where organisms depend on each other for
some recourses or for survival. What happens to one
organism will effect what happens to other organisms:
everything depends on everything else! And this is
exactly what my presentation is all about.…read more
There is competition between members of the same
species, or members of other species when they both
need the same recourses for survival.
Plants compete for... Animals compete for...
·Food to eat
·Space for leaves to
absorb sunlight to ·Water for them to stay alive
photosynthesise ·Space to breed and build a
·Water and minerals home.
·Light to photosynthesise ·Mates to breed with…read more
Predators are animals that kill and eat other animals, called prey. There
is a pattern between the number of preys and predators.
An example of the predator/prey
dynamic is the rise and fall in numbers
of lynx and its favourite prey the hare.
The hare population was found to rise
and fall in a ten-year cycle, with that of
the lynx following two years later. No
other cat is so dependent on a single
prey species, which is why there is such
a clear pattern of interdependence
between the two populations.…read more
Adaptation are special features or type of
behaviour which make a living organism
well suited to its environment.
Adaptation develop as a result of evolution.
They increase an organism's chance of
staying alive.…read more
are adapted to a Camels are adapted to the hot climate.
· Large surface area to volume ratio to
· Small surface area to volume ratio to increase heat loss
reduce heat loss.
· Body fat stored in hump.
· Large amount of insulating fat
beneath skin · Sandy coat so it is camouflaged
· Large feet to spread its weight on the · Loses very little water through urine and
· Powerful legs so it can swim to catch
food · Can drink up to 20 gallons of water at
· White coat so it is camouflaged once
· Two rows of long eyelashes to protect
against blowing sand and the sun…read more