Consumers
What are organisms that rely on other organisms for their energy and food supply called?
Heterotrophs or consumers
Producers make up which trophic level?
The first trophic level.
What do autotrophs obtain their energy from?
Sunlight or chemicals
What percent of energy is transferred up each trophic level when consumed?
10%
In the water cycle where does the water move between?
The Ocean, Atmosphere, and Land.
What do Herbivores obtain their energy from?
Plants
What is a food web?
A linking of all the food chains in an ecosystem together to form a complex network of interactions.
What is a common location in which chemosynthesis is found?
Near deep-sea vents
What are the 3 ecological pyramids?
Energy Pyramid, Biomass Pyramid, Pyramid of Numbers
In the Carbon cycle what are the four main types of processes that move carbon through its cycle?
1) Biological Processes
2) Geochemical Processes
3) Mixed Biogeochemical Processes
4) Human Processes / Activities
What are two examples of Decomposers?
Bacteria and Fungi
What is a trophic level?
Each step on a food chain or food web.
What is the process autotrophs use to harness solar energy?
Photosynthesis
Which trophic level often has the most biomass?
What takes place in the process known as nitrogen fixation?
Nitrogen gas is converted into ammonia
What do Detritivores feed on?
Plant / Animal remains and other dead matter (aka detritus)
What is a food chain?
A series of steps in which organisms transfer energy by eating or being eaten.
What is it called when organisms use chemical energy to produce carbohydrates?
Chemosynthesis
What is the total amount of living tissue within a given trophic level?
Biomass
Where are the three locations phosphorus is mostly found?
On land in rocks, soil materials, and in ocean sediments.
What are all five different types of heterotrophs?
Herbivores, Carnivores, Omnivores, Detritivores, and Decomposers
The second trophic level.
What is the main energy source for life on Earth?
The sun
What percent of energy is available for third-level consumers?
0.1%
What gas do volcanoes primarily release into the atmosphere?
CO2