Vocabulary
Provide examples of biotic and abiotic factors
Biotic- anything alive
Abiotic- anything nonliving
These organisms produce energy through the use of photosynthese.
What are autotrophs/producers?
An organism that eats other organisms can be called...
A consumer
Coyotes eat rabbits. What would happen to the rabbit populations if coyotes were removed?
Rabbit populations would grow uncontrollably.
As the human population grows, there is a greater demand on ________________ from the environment
resources
Define ecology
the study of LIVING things and their interactions with other LIVING things and their PHYSICAL ENVIRONMENT
Arrows in food webs represent....
energy flow
A moose eats only plant material in the environment. This type of consumer can be called....
A herbivore
Where in an energy pyramid can we find producers?
The base/bottom
Why do scientists suggest humans convert to using renewable energy sources?
So that we can reuse them. Minimal environmental impact
Organisms typically missing from food webs which recycle nutrients from dead organic matter
Decomposers
Barracuda are known to only eat other fish. This type of consumer is called a...
A carnivore
Why is only 10% of the energy found in each level of the energy pyramid transferred to the next level? Where does the rest go?
Lost to the environment as HEAT
What is a safe alternative to pesticides when trying to remove pests?
Releasing the natural predators of the pests
Organisms that eat meat, but typically from dead organisms only.
Scavengers
Parasitism, commensalism, mutualism
The population reached its carrying capacity.
What is the main human activity contributing to global warming/climate change?
Burning fossil fuels
Define biodiversity
The variety of species living in an area
The primary source of energy for most food webs
The Sun
The gradual change of a field over time into a forest is known as..
ecological succession
Human activities decrease biodiversity in ecosystems. How does this impact the stability of these ecosystems?
Decreases stability