Ecosystems: Everything is Connected
Evolution
Energy Flow in Ecosystems
Energy Flow in Ecosystems 2
Random
100
air, water, and rocks
Abiotic factors
100
a change in the characteristics of a population from one generation to the next
Evolution
100
Because plants make their own food, they are called
Autotrophs
Producers
100
shows many feeding relationships that are possible in an ecosystem
Food web
100
All the black widows in an area
Population
200
living organisms and dead organisms
Biotic factors
200
the selective breeding of organisms for specific desirable characteristics
selective breeding
200
process by which plants, algae, and some bacteria use sunlight, carbon dioxide, and water to produce carbohydrates and oxygen
Photosynthesis
200
Photosynthesis
200
groups of various species that live in the same habitat and interact with each other
Communities
300
place where an organism lives
Habitat
300
the ability of an organism to tolerate a chemical or disease-causing agent
Resistance
300
Break down organic matter from dead organisms
Decomposers
300
a sequence in which energy is transferred from one organism to the next as each organism eats another organism
Food chain
300
the ultimate source of energy for almost all organisms
Sun
400
communities of organisms and their abiotic environment.
Ecosystem
400
The process of two species evolving in response to long-term interactions with each other
Coevolution
400
Organisms that get their energy by eating other organisms are called
Consumers
Heterotrophs
400
process by which cells absorb oxygen and use it to release energy from food
Cellular Respiration
400
Archaea, Bacteria, and Eukarya
Domains
500
groups of organisms that are closely related and can mate to produce fertile offspring
Species
500
Survival of the fittest
Natural Selection
500
Cellular Respiration
500
one of the steps in a food chain or food pyramid; examples include producers and primary, secondary, and tertiary consumers
Trophic level
500
Fungi, Protista, Animalia, and Plantae
Kingdoms