Living things
What are organisms?
Examples of terrestrial ecosystems
What are arctic tundra, forests, grasslands/savannas, desserts & rainforests?
Based on salinity of water, classification of aquatic biomes
What is freshwater or marine?
The beginning source of all energy
What is the sun?
The model by which energy passes from one organism to another.
What is a food chain?
An abiotic or biotic factor that restricts the number of individuals in a population.
What is a limiting factor?
An ecosystem is made of both of these
What are abiotic and biotic factors?
A layer of permanently frozen soil found in the arctic tundra
What is permafrost?
Examples of freshwater ecosystems
What are lakes, ponds, rivers, swamps, springs, wetlands, bogs?
A process in which plants use sunlight to produce chlorophyll for energy
What is photosynthesis?
What are producers?
Competitors do this for the same resource
What is both cooperate and compete?
Consists of all of the organisms living in an area together with the nonliving parts of the environment
What is an ecosystem?
Known for infertile soil, evergreen/cone bearing trees, and animals such as moose, wolves and owls
What is the Coniferous Forest?
A mix of fresh and salt water
What is brackish water found in places like estuaries and lagoons?
An organism that makes its own food compared to an organism that does not
What is a producer & consumer?
A diagram that shows how much energy passes from one organism to another in a food chain.
What is an energy pyramid?
Can be dependent on population, size and habitat.
What is disease and parasites?
Biotic factors
What are plants, animals and microbes?
Depending on location, grasslands can be classified as these, both having a variety of animals that graze and roam
What are savannas and prairies?
Examples of animal species found in marine ecosystems
What are jellyfish, shark, whales, crabs, stingrays, sea turtles, octopus, dolphins, etc?
Classification of consumers based on what they eat
What are herbivores (eat plants), carnivores (eat meat), & omnivores (both)?
An animal that captures and eats other animals.
What is a predator?
Examples of weather related limiting factors
What are storms, drought, flooding and severe temperatures?
A major regional or global living community characterized by the dominant organisms and climate.
What is a biome?
Plants and animals native to this biome have adapted to survive with little water
What is the dessert?
These freshwater ecosystems differ due to depth of water and changes in temperature
What are ponds and lakes?
An organism that breaks down dead materials
What is a decomposer?
The natural cycle in which this compound in the air is used by plants and animals, and is released into the air again.
What is the nitrogen cycle?
Available habitat for a species is significantly impacted by this
What is human activities such as development, clear cutting, etc?