Levels of Organization
Individual living things
organism
an animal that is hunted and eaten by a predator
prey
Any living part of the environment with which an organism might interact
biotic factor
A wrasse fish darts in and out of a larger fish's mouth, removing and eating parasites and dead tissue.
Mutualism
the role of a population in its community, including its environment and its relationships with other organisms
niche
a pack of wolves is an example of this
population
As resources in a population become less available, population growth____.
declines or decreases slowly
grass, trees, plants, insects, and pigs are examples of these
biotic factors
Komodo dragons work together to capture and eat their prey. One Komodo dragon will inject venom into their prey and the rest of the Komodo dragons will stalk the prey until it gets too weak and dies. Then they will feast on this fine meal.
cooperation
This shows us the feeding relationships among all of the organisms in an ecosystem
food web
a group of abiotic and biotic factors in one area at the same time
ecosystem
what you call the relationship between a fox and a rabbit
predator/prey relationship
bacteria and fungi are examples of these
biotic factors
A bison stirs up insects in the grass, which a cowbird eats. The cowbird gets a free meal and it does not bother the bison.
commensalism
Occurs when organisms try to use the same limited resource
competition
a group of organisms of one species in an area
population
The predator population begins to decrease when it gets too high and the prey's population will ___.
increase
oxygen, sunlight, & water are examples of these
abiotic factors
The tick burrows into the dog's skin to suck blood
parasitism
a non native species added to an area
invasive species
a group of organisms of different species in an area
community
when prey's populations die out, predator populations will ____.
decrease
A nonliving part of an organism's habitat with which an organism might interact
abiotic factor
Bees have a society in which different members have different responsibilities. For example, some bees may guard the nest while others keep the hive clean. What type of interaction is this behavior?
cooperation
the kind of energy available to consumers when they eat another organism
chemical energy