7.5C:
Energy
Flow
Through
Living
Systems
Ma#er
and
Energy
Using
the
Web
Surfing
Science!
websites
your
teacher
has
assigned
to
you,
complete
the
following
online
treasure
hunt.
Part
I:
Energy
Pyramid
Part
II:
What
is
the
Pyramid
of
Energy?
Part
III:
Food
Webs
Part
I:
Energy
Pyramid
Watch
the
video
and
answer
the
ques7ons.
1. 
How
many
layers
are
in
an
ecosystem?
_______________________________________________
2. 
While
a
herbivore
is
a
___________________________________________
eater,
a
carnivore
is
a
_____________________________________
eater.
3.  In
a
healthy
ecosystem,
the
largest
group
is
the
_________________________________,
and
the
smallest
group
is
the
___________________________________.
4.
Name
the
three
types
of
energy
pyramids
discussed
in
the
video.
___________________________ __________________________
_________________________
5.
TRUE
or
FALSE.
It
takes
very
few
caterpillars
to
feed
one
bird.
_____________________________
6.
Name
two
different
of
producers
in
an
energy
pyramid.
________________________________________
______________________________________
7.
Explain
how
changes
in
an
ecosystem
may
affect
the
flow
of
energy.
_______________________________________________________________________________
_______________________________________________________________________________
1
7.5C:
Energy
Flow
Through
Living
Systems
Ma#er
and
Energy
Part
II:
What
is
the
Pyramid
of
Energy?
1.
Why
do
people
use
food
webs?
______________________________________________________
___________________________________________________________________________________
2.
Explain
the
reason
the
energy
pyramid
was
created.
_____________________________________
___________________________________________________________________________________
3.
What
are
the
major
components
of
the
energy
pyramid?
_________________________________
___________________________________________________________________________________
4.
What
happens
to
the
energy
aYer
the
second
or
third
level
of
an
energy
pyramid?
___________________________________________________________________________________
5.
TRUE
or
FALSE.
A
large
percentage
of
energy
is
lost
from
one
level
to
the
next.
_______________
Part
III:
Food
Webs
1.  Name
four
types
of
food
webs.
____________________________________
___________________________________
____________________________________
___________________________________
2.  Explain
how
the
layers
of
the
African
grassland
food
web
and
the
marine
food
web
differ?
______________________________________________________________________________
______________________________________________________________________________
3.  Complete
the
marine
food
web.
Answer
the
following
ques7on(s):
According
to
the
food
web,
what
are
the
two
kinds
of
food
the
crab
eats?
___________________________________________________________________________
4.  List
the
layers
of
the
Antarc7c
food
web:
___________________________________________________________________________
2