Ecosystems
What does the term "biotic" mean?
Living organisms or dead organisms.
What is a resource population?
A population of organisms that gets eaten by other organisms.
What is a producer?
Organisms that make their own energy through photosynthesis.
Name all of the producers in this picture.
Corn, flowing plant, lavenders, and mangoes.
When an organism is born, does it add or remove from the total of the population?
It adds to the total population.
What does the term "abiotic" mean?
Nonliving parts of an ecosystem
What is a consumer population?
A population of organisms that eats other organisms to get the energy that they need.
What is an example of a producer?
Answers will vary.
What are the 3 primary consumers?
Grasshopper, Butterfly, and Fruit Fly
When an organism dies, does it add or take away from the total population?
It takes away from the total.
What is an example of something that is "biotic"?
Answers will vary.
Can an organism be a consumer and a resource population at the same time? Explain using Image #1.
Yes. Explanations will vary.
What is a consumer?
Organisms that need to eat other organisms to obtain the energy that they need.
According to this food web, does the wolf eat the eagle or does the eagle eat the wolf?
The Eagle eats the wolf.
Using births and deaths explain how a population can increase in size over time.
# of births > # of deaths
What is an example of something that is "Abiotic"?
Answers will vary.
What do the arrows show in a food chain or food web?
The direction in which energy travels. Energy travels from the resource population to the consumer.
What is an example of a consumer?
Answers will vary.
What will happen to the size of primary consumer populations if the frog population decreases?
They will increase in size.
Using births and deaths explain how a population can decrease in size over time.
# of births < # of deaths
What is an "ecosystem"?
Organisms interacting in a particular area with their environment.
What is the difference between a food chain and a food web?
A food chain outlines who eats whom. A food web is all of the food chains in an ecosystem.
Use image 1 that Mr. Betancourt will show you to categorize the organisms as either consumers or producers.
Producers: Grass and Wildflowers
Consumers: Mouse, Rabbit, Snake, and Hawk
Do consumers rely on one primary source of energy? Explain using the food web.
No. Consumers eat different organisms to obtain the energy that they need.
Using births and deaths explain how a population can remain stable over time.
# of births = # of deaths