Ecological Relationships
What type of relationship does a remora fish have with a shark?
Commensalism
Which type of organism is at the base of a food chain?
Autotrophs
What happens to a population when it reaches its carrying capacity?
Growth slows
What is an invasive species?
A species that disrupts an ecosystem
What is a limiting factor?
Anything that controls population growth
What is an example of parasitism?
A tick feeding on a dog
What is the ultimate source of energy within a food web?
The sun
What is intraspecific competition?
Competition within the same species
What is an example of mutualism?
A bee pollinating a flower
What type of factor influences ecosystems regardless of population size?
Density-independent
What type of distribution do penguins exhibit when they nest in evenly spaced territories?
Uniform
What is the energy loss as you move up the trophic levels?
Energy is lost as heat
What type of competition occurs between individuals of different species?
Interspecific competition
What is primary succession?
Where life has never existed before
What is a density-dependent factor? List at least 2.
Factors like disease and food competition
In which relationship do both species benefit?
Mutualism
Give an example of a primary consumer
Rabbit, grasshopper, cow
What is an example of intraspecific competition?
Two male deer fighting for a mate
Which term describes a species that is only found within one specific region?
Endemic
Why do parasites not typically kill their host?
They lose their source of nutrition
What is the interaction when one species benefits and the other is harmed?
Parasitism
How much energy is available at the tertiary consumer level if there is 1000 Kcal at the producer level?
10 Kcal
What happens when a disease spreads more easily in crowded populations?
Density-dependent factor
What type of succession occurs after a severe volcanic eruption?
Primary succession
Can the set carrying capacity change?
Yes, if new resources are made available.