Bell Work

1
Bell Work

• With out using your noteswrite out the 5 levels
  of environmental organization in order starting
  from the smallest.
• Create a food chain using the following duck,
  minnow, algae, dog, sun

2

• SPI 0607.2.1- Classify organisms as producers,
  consumers, scavengers, or decomposers according
  to their role in food chain or food web
• SPI 0607.2.2- Interpret how materials and energy
  are transferred through an ecosystem
• SPI 0607.2.3- Identify the biotic and abiotic
  elements of the major biomes
• SPI 0607.2.4- Identify the environmental
  conditions and interdependencies among organisms
  found in the major biomes

3
Symbiotic Relationships (pg. 62)

• Symbiosis- is a close, long-term association
  between two or more species.
• Divided into 3 groups.
• Mutualism
• Commensalism
• Parasitism

Can you see the Symbiotic Relationship?
4
Mutualism

• Mutualism is a symbiotic relationship where both
  organisms benefit.
• Examples
• Human intestine and bacteria

Algae and coral
5
Commensalism

• Commensalism is the symbiotic relationship in
  which one organism benefits and the other is
  unaffected.
• Example
• Shark and Remoras

6
Parasitism

• Parasitism is the symbiotic relationship in which
  one organism benefits and the other is harmed.
• Example
• Tick- outside
• Tapeworm- inside a
• human
• Wasp and Caterpillar

7
Why do most parasites not kill their host?

• Without the host the parasite would die.