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35 terms

Ecosystems

STUDY
PLAY
- One celled organism
- Examples: plant or animal cell, bacteria, euglena
Unicellular
- Multi-celled organism
- Examples: human, plant, fungi
Multicellular
- Organism with no nucleus or lacking a nucleus
- Example: Bacterial cell
Prokaryote or Prokaryotic
- Organism with a nucleus
- Examples: human, fungi, plants
Eukaryote or Eukayotic
- An organism that makes its own food
- Example: plants
Autotroph or Autotrophic
-Part of planet earth's outer shell
- including air, land, and water— within which biotic (life) processes occur
Biosphere
- All the living and nonliving things that interact in an area
- Example: Owls, prairie dogs bison, grass, dirt, climate
Ecosystem
- Living or once was living part of an ecosystem
- Examples: Organisms, leafs
Biotic Factors
- Nonliving part of an ecosystem
- Examples: water, air, sunlight
Abiotic Factors
- A living thing
Examples: human, sunflower, puffball mushroom
Organism
- A group of similar organisms whose members can produce other (fertile) offspring
- Examples: Golden Retrievers, tuna, oak trees
Species
- All the members of one species in a particular area
- Examples: pack of wolves
Population
- All the different populations that live together in a area
- Example: Wolves, bison, elk, and rabbits
Community
- Place where an organism lives (home) and that provides the things the the organism needs
- Obtains food, water and shelter
Habitat
- An organism's particular role in an ecosystem or how it makes its living
Examples: teacher- teaches lion - carnivore vulture - scavenger
Niche
- Environmental factor that prevents a population from increasing
Examples: food, space, and weather conditions
Limiting Factors
- Number of individuals in a specific area
- Example: class room size of 32 students
Population Density
What occurs when:
- Organisms that enter the population or leave the population
- Leading factors: Birth or immigration; death or migration
Changes in population size
- An organism that cannot make its own food
- Examples: humans, fungi
Heterotroph or Heterotrophic
Another name for Predator-prey
Predation
- An adaptation that makes it a better predator
- Examples: Sharks powerful jaws, owls ability to hunt at night
Adaptations (Predator)
- An adaptation that makes it harder to be a prey
Examples: Mimicry, camouflage, protective coverings
Adaptations (Prey)
- Mutualism, Commensalism, Parasitism
3 symbiotic relationships
Example of Symbiosis (symbiotic relationship) involving a Tapeworm and Human
Parasitism
Example of Symbiosis (symbiotic relationship) involving Spanish Moss (flowering epiphyte) growing harmlessly on an Oak tree
Commensalism
Example of Symbiosis (symbiotic relationship) involving a Redbilled Oxypecker eating bugs off the back of a Rhinoceros
Mutualism
Example of Symbiosis (symbiotic relationship) involving a mutualistic relationship between fungus and Algae. Importantant in breaking down rock into soil
Lichen
An autotroph that can make its own food
Examples: Plants/Trees/Algae
Producer
Type of Heterotroph that can't make its own food
Consumer
Consumer that eats only plants
Herbivore
Consumer that eats only animals
Carnivore
Consumer that eats both plants and animals
Omnivore
Carnivore that feeds on dead organisms
Scavenger
Organisms that break down wastes and dead organisms
Decomposer
Three major organisms that break down wastes and dead organisms
Fungi, Bacteria, Earthworms