Energy 1
What is the primary source of energy for most ecosystems on Earth?
Sunlight
How do plants benefit from us? How do we benefit from plants?
carbon dioxide/ oxygen
Food
What is an omnivore? Give me an example
Eats only plants
If a producer goes extinct, what would happen?
The ecosystem will go exinct
What is a community?
All the populations of different species living and interacting in the same area
What is a producer? Give me an example
A producer makes its own food. Examples may vary
What is a tertiary consumer? Give me an example
eats secondary consumers Ex. Eagle
What is a carnivore?
Eats animals
What is species?
group of living organisms consisting of similar individuals capable of breeding with the same kind
What is a mutualism? Give me an example
When two organisms benefit from one another.
Ex Bee and flower
What is a consumer? Give me an example
Organisms that cannot make their own food and must consume other organisms for energy. Answers may vary
What is a secondary consumer? Give me an example
Animal that eats primary consumer. It is usually a carnivore or omnivore.
Examples may vary
What is an omnivore?
Eats both animals and plants
What is the term for the specific role and position an organism occupies in its environment?
A. Habitat
B. Biome
C. Niche
D. Range
C. Niche
What is parasitism? Give me an example
Where one organism benefits while the other is harmed. Ex Fleas and dogs
What is the role of decomposers?
To break down dead organisms and recycle nutrients. Examples may vary
What is the predator-prey relationship?
One species captures and consumes another species
In the energy pyramid, which level contains the most energy?
A. Tertiary consumers
B. Secondary Consumers
C. Primary consumers
D. Producers
D. Producers
What is the major contributor to the greenhouse effect?
A. Oxygen
B. Nitrogen
C. Carbon Dioxide
D. Hydrogen
C. carbon dioxide
Which of the following is an example of a density dependent limiting factor on population growth?
A. Drought
B. Disease
C. Hurricane
D. Volcanic Eruption
B. Disease
Write the following in order:
Decomposer
Primary consumer
Producer
Secondary consumer
Producer, primary consumer, secondary consumer, decomposer
In a food web, what happens to the amount of available energy as it moves from one trophic level to the next higher level?
A. It increases by approximately 10%
B. It remains the same
C. It decreases by aprox. 90%
D. It is completely transferred without loss
C. It decreases by aprox. 90%
Describe the process of photosynthesis
Plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of glucose.
Biotic factors are (living or non living) components of an ecosystem such as ___________. A biotic factors are (living or non living) components of an ecosystem such as _____________.
Biotic factors are (living ) components of an ecosystem such as __plants/animals_. A biotic factors are ( non living) components of an ecosystem such as ___sunlight water etc____.
What term describes the total mass of living organisms in a given area?
a. biomass b. population c. ecosystem d. biosphere
A. Biomass