Ecosystems
Provide 2 examples of ecosystems.
Tundra, arctic, jungle, rainforest, forest, backyard, city, etc.
What is an omnivore?
An animal that eats meat and plants.
What is an invasive species?
A non-native species that causes harm to the ecosystem.
What is a keystone species?
A species that creates balance in an ecosystem/food web.
What is our school mascot?
Tiger
What is the definition of an abiotic factor?
Any factor part of an ecosystem that is non-living/never has lived.
Is a ladybug considered a producer, primary consumer, secondary consumer, or tertiary consumer?
Primary consumer
What is an example of an invasive species located in California?
Student response
Provide an example of a keystone species.
Starfish, sea otter, wolf.
When is the last day for term 2
January 26th
True or false: An example of a biotic factor is a dead tree.
True
How much energy is transferred to each level of the energy pyramid?
10%
How did the Kudzu plant from Japan cause harm in the United States?
What is the role of a keystone species?
To regulate the population of other organisms in the food web/ecosystem.
What happens to population when we have less births and less deaths
remains same
Provide 2 examples of biotic and abiotic factors in a jungle ecosystem.
Student response
What happens the 90% of lost energy? How is it used up?
Used for biological processes such as breathing, growing, reproduction, etc.
What are some ways we can manage invasive species?
-Killing them
-Relocating them
-Introducing a new predator, etc.
What would happen if an invasive species were removed from the food web?
The primary and/or secondary consumers would over populate leading to the producer becoming an endangered species. Many animals would die as a result.
What happens when we have a high birth rate and low death rate
population increase
Why is it essential to have biotic and abiotic factors in an ecosystem?
They work in collaboration to create a sustainable food web.
Why is a food web better than a food chain?
A food web shows all of the food chains found in one ecosystem. It's more specific.
How do invasive species disrupt biodiversity?
They cause an imbalance in the food web, leading the the decline of some organisms.
How was Yellowstone National Park impacted by the removal of the wolf? (Name 2 things that occurred).
-The elk population doubled
-The water became contaminated
-Fish, beavers, etc. couldn't build homes
-The grass and berry supply decreased
-Small rodents could no longer hide, etc.
When is our next holiday off of school?
MLK January 15th 2024