Worksheet: Ecology Review: Food Chains & Webs, Relationships, Nitrogen & Carbon Cycles, Effects on Biodiversity
Comprehension worksheet generated from the video "Ecology Review: Food Chains & Webs, Relationships, Nitrogen & Carbon Cycles, Effects on Biodiversity".
Worksheet: Ecology Review: Food Chains & Webs, Relationships, Nitrogen & Carbon Cycles, Effects on Biodiversity
JaxDoc
Vocabulary
- Ecology — The study of interactions within an environmental system, including interactions between organisms and with their environment.
- Trophic Level — Each level in an energy pyramid, representing a group of organisms in a food chain.
- Mutualism — A symbiotic relationship where both organisms involved benefit.
- Nitrification — The process where nitrifying bacteria in the soil convert ammonia and ammonium into nitrites and nitrates.
- Invasive Species — A species that was not naturally in an area but was introduced, either on purpose or by accident, and can threaten the biodiversity in that area.
Questions
Watch the video carefully and answer the following questions based on the information presented.
1.
According to the video’s example of an energy pyramid (2:35), if producers have 90,000 kilocalories, how much energy would the tertiary consumers have?
2.
In the food web example (3:43), what are two possible effects on other organisms if the bird population were to decrease?
3.
Describe the process of ammonification as explained in the video (8:22).
4.
The video describes a relationship between a type of bat and a pitcher plant (6:51) where the bat gets a home and the plant gets nitrogen from the bat’s droppings. What type of ecological relationship is this?
5.
The video highlights several human activities that negatively impact biodiversity. Discuss at least two ways humans are currently working to positively affect or support biodiversity, drawing on examples or concepts from the video or your own knowledge.
