Which of the following is a biotic factor?
Leaves of trees
1. Carbon Dioxide
2. Water
3. Sun
What are the three symbiotic relationships?
1. Mutualism
2. Commensalism
3. Parasitism
What is a limiting factor?
A limiting factor is an environmental fact that keeps a population from reach its full potential size.
When is Ms. Brooks' birthday?
January 10
What is a population?
a group of individuals of the same species living in the same area
What is the main role of decomposers?
Decomposers break down waste and recycle it back into the environment
What is a predator and what is a prey?
Predators eat other organisms.
Prey are eaten by predators.
What is the difference between a native and introduced species?
A native species is a species that naturally live in an ecosystem, while an introduced species are species that have been brought to an ecosystem by human actions.
When is Ms. G's birthday?
February 11
What is a niche? Give an example.
A niche is the special role that a population plays in its environment. Examples vary.
What are the three types of consumers and what does each eat?
Herbivore- ONLY plants
Omnivore- BOTH plants and meat
Carnivore- ONLY meat
What happens during mutualism? Give an example.
What are some positive things that can happen if an introduced species enters a new ecosystem?
1. They will no longer have predators or parasites from the old ecosystem
2. The introduced species effectively contributes to the ecosystem
3. The introduced species can limit the population of an overpopulated prey
What month did Ms. Brooks and Ms. G win Teachers of the Month this year?
January
What do the arrows in a food chain and/or food web represent?
The arrows represent where the energy is headed/going.
A food web consists of several food chains.
What is parasitism? Given an example.
What is the difference between marine and freshwater ecosystems?
Marine ecosystems have saltwater, while freshwater ecosystems include freshwater.
Where did Ms. Brooks and Ms. G go to spring break?
CUBAAAAAA
Individual - Populations- Communities- Ecosystem
Imagine that a predator population decreased. What would be the effect on the prey population? What about the food web as a whole?
Prey population would increase because no one is hunting them and the food web would become imbalanced and possibly disintegrate as a result.
What is commensalism? Give an example.
Commensalism is a symbiotic relationship where one organism benefits and the other is unaffected. Urchin and shrimp or the flower and trees.
What are two examples of a land ecosystem? Name two things that live in each and a limiting factor for both.
Beach, Dunes, Forest. and Prairies. Answers vary for both living things and limiting factors.
Where did Ms. Brooks and Ms. G go for Christmas break? (separately)
Ms Brooks- Dubai
Ms G- DC (I know boring compared to Dubai!)