Terminology
Energy in Ecosystems
Biotic & Abiotic
Nutrients
Photosynthesis & Cellular Respiration
100
What is a consumer that eats only plants called?
Herbivores
100
What is the difference between a food chain and a food web?
Food chain – shows the movement of energy
Food web - shows all food chains in an ecosystem
100
Give an example of a biotic and abiotic factor
Answers may vary
100
What is the name of the processed called when water vapour turns in clouds?
Condensation
100
What gas do plants need to perform photosynthesis?
Carbon dioxide
200
What is an organism that makes its own food called?
Producer
200
In an ecological pyramid, the different levels represent what?
Trophic Levels
200
If species work together to benefit (help) each other, this is an example of what type of relationship
Mutualism
200
How does nitrogen in the atmosphere enter the soil?
Nitrogen-fixing bacteria or lightening
200
What are two product of photosynthesis?
Oxygen and sugar
300
What is the difference between a population and a community?
Population: all the members of the SAME species live in the SAME ecosystem
Community: all the living things from all the populations that live in the SAME ecosystem
300
In this food chain, who is the producer, the primary consumer and the secondary consumer.
Producer - Plant
Primary Consumer – Worm
Secondary Consumer - Bird
300
If one species is benefiting from a relationship but the other is not being affected (not good or bad) what type of relationship is this?
Commensalism
300
How is carbon dioxide released back INTO the environment?
Burning fossil fuels, deforestation, cellular respiration
300
What is needed by plants to begin photosynthesis?
Sunlight
400
The living and nonliving things in an area in an environment is known as what?
An Ecosystem
400
Give one example of a tertiary consumer from this food web
Answers may vary
400
Name an abiotic factor that can act as a limiting factor for a tree living in a forest
sunlight, water
400
What type of organism eats dead plant and animal remains to return nitrogen to the soil?
Decomposers
400
What is the chemical in plant leaves called that absorb sunlight (green pigment)?
Chlorophyll
500
What is the biosphere?
ll the places on earth where living things can exist. The atmosphere, lithosphere, hydrosphere
500
Name two things that would change in this food web if the dragonfly were to be extinct:
Butterfly would increase, fruit fly would decrease. Answers vary
500
What is an abiotic factor that can affect the health of a fish population in an aquatic ecosystem?
Salt concentration
500
How is nitrogen returned back to the atmosphere?
Denitrifying bacteria
500
What are two products of cellular respiration?
Carbon dioxide, water and energy