Ecology Basics
Carbon Cycle
Water/Nitrogen Cycles
Food Webs/Energy Pyramids
Symbiosis
100
All of the living and nonliving things in an area make up the...
Ecosystem
100
During the process of photosynthesis, carbon moves from the atmosphere into...
Plants/Vegetation
100
When a dead organism decomposes, the carbon from that organisms goes into the atmosphere as carbon dioxide. The nitrogen from that organism goes ____________________.
into the soil as a nutrient
100
What do the arrows represent in a food web?
Energy flow
100
Mosquitos feed off of the blood of humans and other animals. Which type of symbiotic relationship is this?
Parasitism
200
What does "abiotic" mean?
Nonliving
200
During the process of respiration, carbon moves from living plants and animals into...
The atmosphere as carbon dioxide (CO2)
200
What is the name of the process in which water from the surface of the earth transforms into water vapor in the atmosphere?
Evaporation
200
In a food web, the arrows always point towards...
The animal that does the eating/ The animal that gets the energy
200
Humans can offer dogs food and shelter, while dogs bring joy to humans. Which type of symbiotic relationship is this?
Mutualism
300
What does "biotic" mean?
Living
300
During the process of diffusion, carbon dioxide (CO2) can move from the atmosphere into the...
Ocean
300
Why are bacteria important to the nitrogen cycle?
Bacteria convert nitrogen from the atmosphere (N2) into nitrates (NO3-), which can be taken in by plants and helps plants grow.
300
In an energy pyramid, which type of organism gets the least amount of energy?
Tertiary consumer
300
Shrimp live on the backs of sea cucumbers and get a free ride to areas that have a lot of food. Which type of symbiotic relationship is this?
Commensalism
400
All of the living things in an area are called the...
Community
400
What is the name of the process in which fossil fuels are burned and carbon dioxide is released into the atmosphere?
Combustion
400
1. How can humans obtain nitrogen?
2. Why do humans need nitrogen?
1. Eating
2. For DNA and proteins (including muscles)
400
Can an environment support more primary consumers or tertiary consumers?
Primary consumers
400
The tube worm has no digestive tract (it cannot break down food). The worm can only get energy by taking in food that is already broken down. Bacteria live in the tube worms and break down food for the tube worm.
Which type of symbiotic relationship is this?
Mutualism
500
All of the living things of the same species in an area are called...
Population
500
During the process of decomposition, bacteria and fungi break down the remains of dead animals and plants. During this process, what happens to carbon (where does it go)?
Into the atmosphere as carbon dioxide (CO2)
500
1. How do plants obtain nitrogen?
2. Why do plants need nitrogen?
1. Absorb it through their roots
2. To help them grow
500
Identify all of the primary consumers in the food web.
Zooplankton, Krill, Crab
500
What do mutualism, commensalism, and parasitism have in common? They are all symbiotic relationships in which one organism...
benefits