How Populations Survive
What is an example of a limiting factor?
Water, sunlight, food, competition, disease, natural disasters, etc.
What is the relationship between two kinds of organisms that lasts over time?
Symbiosis
What is the type of catastrophic event we read about that creates ecological succession?
Volcanic eruption
What is anything that controls the growth or survival of a population?
Limiting Factor
When a relationship between two organisms benefits both of them, it is called what?
Mutualism
Is a growing population good or bad? Explain why or why not.
Bad because the population will soon become crowded and will have to compete with each other.
The relationship between the hermit crab and the snail shell is an example of what type symbiotic relationship?
Commensalism
We read about an abandoned what that turned into a forest after 100 years.
An abandoned farmland
What is a relationship in which one kind of organism lives on or in another organism and may harm that orgainsm?
Parasitism
What is a relationship in which one organism benefits from another without helping or harming it?
Commensalism
Explain how scientists theorize dinosaurs became extinct.
The impact of the meteorite killed most dinosaurs, but also created large amounts of dust, blocking out the sun. Plant-eating dinosaurs died, as well as dinosaurs that ate those plant-eating dinosaurs.
Which plant attaches itself to the trunks of trees, but doesn't take anything away from the tree?
Orchids
Why do we use surface or strip mining?
To get metals
The gradual replacement of one community by another is called what?
Ecological Succession
Characteristics that help an organism survive in its environment are called what?
Adaptations
Finish the sentence: Adaptations are _________ traits, not __________ behaviors.
Adaptations are inherited traits, not learned behaviors.
Explain the relationship between the Yucca Moth and the Yucca Tree.
The Yucca Moth pollinates for the Yucca Tree and the Yucca Tree gives the Yuca Moth's eggs a place to grow.
How were plants and animals able to starting living and thriving on Surtsey Island?
Pioneer species such as bacteria and algae created minerals and nutrients for the soil. Wind and water brought seeds to the island. Birds began to show up when there was a food source for them, further adding seeds and nutrients to the soil.
The first species to be living in an otherwise lifeless area is called what?
Pioneer Species
The first community living in an otherwise lifeless area is called a what?
How many times a minute do we change our environment?
15 times a minutes by simply breathing.
What type of plant coils around others and takes food from it because it cannot produce enough food for itself?
What was the name of the mountain that erupted in Washington?
Mount Saint Helens
The final stage of succession is called the what?
Climax Community
Ecological succession in a place where a community already exists is called what?
Secondary Succession