Abiotic
What is the most important abiotic factor on Earth after sunlight?
Water
Name 5 abiotic factor
I will judge...
Is a dead plant or animal abiotic?
No
Process where plants convert sunlight into carbohydrates (sugars) for food
What is photosynthesis?
Difference between producers and consumers.
What is autotrophs make their own food, and heterotrophs get it from other sources?
All energy on Earth must go through this group before any other. (They get energy comes from sunlight or chemical energy)
Autotrophs/Producers.
Is low dissolved oxygen in a freshwater ecosystem a positive or negative abiotic factor?
negative
How much energy actually makes it from one trophic level to the next? (What percent?)
10%
Difference between a primary consumer and a tertiary consumer
Primary consumers eat plants, tertiary consumers eat animals
What is salinity?
Measure of the concentration of salt in water or soil.
What is the source of all energy on Earth?
The Sun
Petroleum (oil) from a ship is spilled onto a beach - is this an example abiotic or biotic?
Abiotic
The role, or job, an organism has in an ecosystem is called its...
What is a niche?
Difference between a consumer and a decomposer
decomposers breakdown dead plants and animals, consumers eat plants and/or animals
What do omnivores eat?
plants and animals
Greek word meaning "house." (Root word of ecology)
What is Oikos - root word of Eco? Study of nature's "houses," and organisms living in those "houses."
In an ecosystem, how are a cat and a dog similar?
both are biotic factors