The study of ecology
What is the interaction of living things with each other and their surroundings.
The role an organism plays in the ecosystem is called
What is a niche
A group of organisms of different species that live and interact together
what is community
Bacteria, fungi and earthworms are all.
What is decomposers
Natural fertilizers are
what is plant and animal waste
Two items that are biotic factors in an ecosystem.
What is rock and wind?
The third trophic level is occupied by
What is secondary consumers
The amount of energy passes on at each link in the food chain
What is 10%
Based on the food web on the board name all the secondary consumers
What is baleen whales, squid, herring and cod
List three examples of engineered ecosystems
The word equation for cellular respiration
What is oxygen + sugar =>carbon dioxide + water + energy
A sequence with only one path showing the relationship between organisms that feed on each other starting with a food source is called
What is food chain
Populations
what is individuals of a single species in a specific area
Based on the food web on the board name of the producers
What is diatoms, algae and kelp
A non-native species that is added to an area
What is invasive species.
The effect of the lack of sunlight on carbon dioxide and oxygen levels in an ecosystem.
What is an increase in carbon dioxide and a decrease in oxygen.
An organism that can make their own food is called
What is a producer
Animals breathe out_______ and breathe in_________.
What is C02 and 02
Based on the food web on the board seals would be considered
Tertiary consumers
Negative effect of an invasive species
What is altering habitat, crowd out or replace native species (answers may vary)
The form of nitrogen in used by plants
What is nitrates
The biosphere
What is all the locations in which life can exist.
Bacteria on Earth
what is decompose dead organisms
The 3 most important dissolved nutrients for healthy soil are
What is nitrogen, phosphorus and potassium
Type of pesticides that are toxic to a wide range of species
What is broad-spectrum