Transcript Chapter 5 Lesson 2 - IHMC Public Cmaps (3)

Chapter 5
Lesson Two:
Interaction
Among Living
Things
Food Chain
The path of the energy
in food from one
organism to another
Food Web
The overlapping food
chains in an
ecosystem
Herbivore
An animal that eats
plants, algae, and
other producers
Carnivore
An animal that eats
another animal
Predator
An animal that hunts
other animals for food
Prey
A living thing that is
hunted for food
Scavenger
A meat-eating animal
that feeds on the
remains of dead
animals
Omnivore
An animal that eats
both plants and
animals
Symbiosis
A relationship between
two kinds of
organisms that lasts
over time
Mutualism
A relationship between
two kinds of
organisms that
benefits both
Parasitism
When one organism
lives in or on another
organism and harms
it
Commensalism
A relationship that benefits
one without harming or
helping the other
Food Chain
The energy comes from
the Sun and then flows
from producers to
consumers to
decomposers
Food Chain
a.
b.
c.
d.
e.
f.
g.
Energy from the sun
Grass (Producer)
Grasshopper (Consumer)
Horned Lizard (Consumer)
Snake (Consumer)
Red-Tailed Hawk (Consumer)
Soil Bacteria (Decomposer)
Food Web
Producers: Grasses and
trees
Food Web
Consumers: Cannot make
their own food
a. Herbivores: Plants
b. Carnivores: Meat
Energy Pyramid
Less and less food and
energy are available as
you go from the base to
the top of the pyramid.