Competition and survival
List 3 examples of limited resources
Food, water, resources, territory, mates, sunlight, etc.
What are producers?
Organisms that make their own food
Define symbiosis.
Close relationship between species
What is an ecosystem?
Living and nonliving things interacting
What are ecosystem services?
Nature helps humans for free
What is the difference between biotic and abiotic?
Biotic is to be alive, abiotic is non living
What starts most food chains?
The sun
What type of symbiosis benefits one organism and harms another?
Parasitism
Name 3 natural disturbances
Wildfires, earthquakes, hurricanes, flood, etc.
List 3 uses for water.
Drinking, farming, factories, etc.
Why does competition occur in ecosystems?
Competition occurs when organisms need the same limited resources.
What is a food chain?
What type of symbiosis helps one organism but doesn’t affect the other?
Commensalism
Name 3 human disturbances
Pollution, overfishing, deforestation, etc.
List 3 uses for energy.
How does competition affect populations?
It limits growth and size
What are the 3 types of consumers? What do they consume?
Herbivores (eat plants), carnivores (eat animals), omnivores (eat plants and animals)
Give an example of mutualism.
Any example of both organisms helping each other
Name 3 types of ecosystems
Forest, desert, wetland, coral reef, etc.
List 3 ecosystem resources.
Water, soil, wood, minerals, etc.
What is “survival of the fittest” and who created it?
Organisms with helpful traits survive and reproduce more, created by Charles Darwin
What is the difference between a food chain and a food web?
Food web shows many connected food chains
Why is symbiosis important?
Helps organisms survive, maintains population balance, and supports healthy ecosystems
What is resilience in terms of ecosystems?
An ecosystem’s ability to recover from disasters
How does deforestation hurt ecosystem services?
Causes less filtering of pollution and more erosion