Vocab 1
The study of the interactions between organisms and their environment
Ecology
A single living thing
Organism
Many overlapping food chains are called
Food web
Type of relationship where one organisms benefits, but the other is harmed
Parasitism
What is an example of a biotic factor?
Answers will vary
All of the non-living parts of an ecosystem
Abiotic factors
A group of organisms of the same species living in a given area
Population
In the food web, name two secondary consumers
Owl, fox, frog, bird
Type of interaction where both organisms benefit
Mutualism
What is the order of ecological organization (from simple to complex)?
Organism, population, community, ecosystem, biosphere
All of the populations in an ecosystem make up the ________
Community
All of the living and nonliving things in an environment make up the _______________
Ecosystem
In the food chain, what would happen to the population of snakes if the population of frogs increased?
It would increase
Type of interaction where a predator hunts and eats a prey
Predation
Things that all organisms need to survive are called?
Resources
All of the living things on earth exist here
Biosphere
Consumers that can eat both plants and animals
Omnivores
In the food web, what are 2 things that can happen if the population of frogs decreases?
Grasshoppers increase, owls decrease, snakes decrease
A struggle between organisms to survive as they attempt to use the same resources
Competition
What are energy levels more commonly referred to as?
Trophic levels
The maximum size a population can reach, determined by the limited resources available
Carrying capacity
The name for organisms that obtain energy from other organisms (another name for consumers)
Heterotrophs
If the primary consumer has 3,700 kCals, how many does the tertiary consumer have?
37 kCals
A shark carries around a remora fish on its back. The remora gets a free ride, while the shark is unaffected. What type of symbiotic relationship is this?
Commensalism
In a predator-prey relationship, why does the predator population decrease after the prey population decreases?
Because since there are less prey for the predators to eat, less of the predators are able to have enough food to survive in that environment.