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THE WEB OF LIFETHE WEB OF LIFE
ALL ORGANISMS INTERACT BOTH WITH THEIR ENVIRONMENT AND WITH OTHER
ORGANISMS
ALL ORGANISMS INTERACT BOTH WITH THEIR ENVIRONMENT AND WITH OTHER
ORGANISMS
The Web Of LifeThe Web Of Life
This red fox is dependent on many things in its environment.
What examples of living things is the fox dependent on that might be in photo?
This red fox is dependent on many things in its environment.
What examples of living things is the fox dependent on that might be in photo?
The Web Of LifeThe Web Of Life
What are examples of nonliving things that the fox might be dependent on in this photo?
What are examples of nonliving things that the fox might be dependent on in this photo?
ECOSYSTEMECOSYSTEM
An ecosystem is all the living things and non living things in a particular area
An ecosystem is all the living things and non living things in a particular area
Biotic Vs. AbioticBiotic Vs. Abiotic
The nonliving portion of an ecosystem is the abiotic & all the living is the biotic
The nonliving portion of an ecosystem is the abiotic & all the living is the biotic
The Web Of LifeThe Web Of Life
Much as the strands of silk in a spider’s web bind one segment to another, feeding and other interactions bind all organisms to one another.
These complex network of interactions between living things are called the web of life.
Much as the strands of silk in a spider’s web bind one segment to another, feeding and other interactions bind all organisms to one another.
These complex network of interactions between living things are called the web of life.
Humans Are Part Of The Web Of Life
Humans Are Part Of The Web Of Life
Humans have the greatest impact of any living thing on the web of life
If humans are to continue to thrive on earth, we must understand the interrelationships among all living things and modify our actions.
Humans have the greatest impact of any living thing on the web of life
If humans are to continue to thrive on earth, we must understand the interrelationships among all living things and modify our actions.
Organisms Interact With Organisms They Eat
Organisms Interact With Organisms They Eat
Grasshopper chews on a leaf
As it jumps from one leaf to next it gets caught in a spiders web
The spider kills and eats grasshopper
Grasshopper chews on a leaf
As it jumps from one leaf to next it gets caught in a spiders web
The spider kills and eats grasshopper
What need connects organisms based on who
they eat?
What need connects organisms based on who
they eat? Need for energy to live and to reproduce
Need for nutrients to build more living tissue
Need for energy to live and to reproduce
Need for nutrients to build more living tissue
Photosynthesis is important in the web of life
Photosynthesis is important in the web of life
Green plants capture energy from the sun and use it to make food
Green plants capture energy from the sun and use it to make food
These Interactions are repeated everyday
These Interactions are repeated everyday
Animals that eat plants or other animals get energy indirectly
Animals that eat plants or other animals get energy indirectly
Web is very complexWeb is very complex
Caterpillars eat the plant
How does that affect the grasshopper?
Caterpillars eat the plant
How does that affect the grasshopper?
Web is very complexWeb is very complex
Without rain, the plant may dieHow would that affect the
caterpillar and the grasshopper?Spider web might trap the
grasshopper. How does that affect the plant and the caterpillar?
A bird might eat the spider, or the grasshopper, or the caterpillar
Without rain, the plant may dieHow would that affect the
caterpillar and the grasshopper?Spider web might trap the
grasshopper. How does that affect the plant and the caterpillar?
A bird might eat the spider, or the grasshopper, or the caterpillar
The smallest chain in the web can have a major effect on the
connected organisms
The smallest chain in the web can have a major effect on the
connected organisms Think of how humans
impact the webThink of how humans
impact the web
Organisms also interact with nonliving things in their
environment
Organisms also interact with nonliving things in their
environment
List some nonliving things in environment that living things interact with
SunTemperatureSoilRainfall
List some nonliving things in environment that living things interact with
SunTemperatureSoilRainfall
TERMINOLOGYTERMINOLOGY
Nonliving material within an environment is called abiotic factors.
Living things are called biotic factors.
All the living things in a particular area is called a community.
The community (biotic factors) plus the abiotic factors is called the ecosystem.
Nonliving material within an environment is called abiotic factors.
Living things are called biotic factors.
All the living things in a particular area is called a community.
The community (biotic factors) plus the abiotic factors is called the ecosystem.
