Ecosystems
Trophic Levels
Energy transfer
Biogeochemical cycles
Biomass
100
Temperature, light, air, water, soil, and climate are all __________ parts of the environment.
What is abiotic?
100
About how much energy is lost when going up trophic levels?
10% of energy is lost
100
What is the unit for measuring energy?
What is joules?
100
The process of plants losing water through their leaves is called ____.
What is transpiration?
100
Which of the following would have the most biomass in the ecosystem presented in the food web?
What is marsh grass and cattail?
200
What is it called when populations share their environment and interact with populations of other species?
What is community?
200
The sun is the source of energy on earth.
what is true?
200
The first law of thermodynamics is also known as?
What is conservation of energy?
200
Process by which water travels through the environment/ organism?
What is water cycle?
200
Which trophic level would we expect to have the least biomass in an ecosystem?
What is a apex predator?
300
An organism that creates its own food is called what?
What is a producer?
300
In an energy pyramid, which way does energy transfer?
What is from the bottom of the pyramid to the top?
300
What is the first laws of thermodynamics?
What is the total energy of an isolated system is constant;energy can be transformed from one form to another, but can be neither created nor destroyed?
300
In what process is Carbon transformed into chemical energy?
What is photosynthesis?
300
What does the term 'biomass' refer to in an ecosystem?
What is the total mass of living organisms in an area?
400
For the food web below:What does the praying mantis represent?
What is a primary consumer?
400
Roughly _____________ percent of energy is lost from the food chain each time it transfers to the next trophic level.
What is ninety?
400
How is energy transformed from one organism to another?
what is it states that the state of entropy of the entire universe, as an isolated system, will always increase over time. The second law also states that the changes in the entropy in the universe can never be negative?
400
How does phosphorus move from water to soil?
What is weathering?
400
How does biomass typically change as you move up a food chain?
What is it decreases?
500
What term is used to describe a species of plant or animal that is at risk of imminent extinction or extirpation?
What is endangered?
500
Which level of this food pyramid represents the largest amount of organisms?
What is producers?
500
What is the source of energy for this food chain?
What is the primary source of energy for this food chain is the sun, which is converted into chemical energy by the plants (producers) through photosynthesis?
500
Plants and animals need nitrogen to make __________.
What is protein?
500
What is the primary source of biomass?
What is living or recently living plants?