Introduction To Ecology
11
Introduction to Ecology Energy and Organisms
-
Upload
jcervantes -
Category
Technology
-
view
1.525 -
download
0
Transcript of Introduction To Ecology
Introduction to Ecology
Energy and Organisms
Agenda: 03/19/09
Notes: Energy in Ecosystems & Food Webs
Finish Food Webs Coloring Sheet
Warm-UpHow do plants get their energy?
How do animals get their energy?
Producers and Consumers
Type Producer
Also Called
Autotroph
Description• gets energy
from nonliving resources (like the sun)
• gets energy from self.
self energy
Producers and Consumers
Type Consumer
Also Called
Heterotroph
Description• gets energy by
eating other organisms
• gets energy from a different source.
different
energy
Processes by Which Producers Obtain Energy
Photosynthesis:
•sunlight is the main source of
energy.
•Examples are green plants,
cyanobacteria, and some protists.
Chemosynthesis:
•chemicals are the main source
of energy.
•Examples are deep-sea
organisms, hydrothermal
pools, and marsh flats.
Both- make their own
energy
Food Chains and Food Webs
Types of consumers:1. herbivore: eats only plants2. carnivore: eats only meat3. omnivore: eats both plants and
animals4. detritivore: eats dead organic
material
A food web shows: the complex network of feeding relationships and flow of energy Trophic Level
Producer1.Algae 2.Phytoplankton
11
22
33
Primary Consumers
3. Zooplankton4. Shrimp5. Sea turtle6. Parrotfish
77
44
55
66
99
88
1100
Secondary Consumers
7. Sea sponge8. Jellyfish 9. Triggerfish
Tertiary Consumers
10. Reef shark
A food web shows: the complex network of feeding relationships and flow of energy Trophic Level
Producer1.Algae 2.Phytoplankton
11
22
33
Primary Consumers
3. Zooplankton4. Shrimp5. Sea turtle6. Parrotfish
77
44
55
66
99
88
1100
Secondary Consumers
7. Sea sponge8. Jellyfish 9. Triggerfish
Tertiary Consumers
10. Reef sharkEnergy flows from prey to predator!!! Think of this: prey ---is eaten by--->
predator
A food web shows: the complex network of feeding relationships and flow of energy Trophic Level
Producer1.Algae 2.Phytoplankton
11
22
33
Primary Consumers
3. Zooplankton4. Shrimp5. Sea turtle6. Parrotfish
77
44
55
66
99
88
1100
Secondary Consumers
7. Sea sponge8. Jellyfish 9. Triggerfish
Tertiary Consumers
10. Reef shark
A food web shows: the complex network of feeding relationships and flow of energy Trophic Level
Producer1.Algae 2.Phytoplankton
11
22
33
Primary Consumers
3. Zooplankton4. Shrimp5. Sea turtle6. Parrotfish
77
44
55
66
99
88
1100
Secondary Consumers
7. Sea sponge8. Jellyfish 9. Triggerfish
Tertiary Consumers
10. Reef shark
A food web shows: the complex network of feeding relationships and flow of energy Trophic Level
Producer1.Algae 2.Phytoplankton
11
22
33
Primary Consumers
3. Zooplankton4. Shrimp5. Sea turtle6. Parrotfish
77
44
55
66
99
88
1100
Secondary Consumers
7. Sea sponge8. Jellyfish 9. Triggerfish
Tertiary Consumers
10. Reef sharkRemember: energy flows from prey to predator!!!
