This printable crossword puzzle has 20 clues. Answers range from 3 to 19 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
What Is the study of species and how they interact with their environment?
What are Populations of different species that live together in the same ecosystem form a larger group?
What is the physical environment where individuals of a certain species can be found?
What are species that are able to make their own food from basic inorganic materials?
What is the type of species that obtains their food from organic matter?
What type of consumer secretes digestive enzymes externally?
In an ecosystem which type of resource can be recycled?
Which greenhouse gas is produced in peat bogs?
When methane is oxidized, which new molecule is formulated?
Are methanogenic bacteria aerobic or anaerobic?
Which unit is used to measure carbon flux?
Which greenhouse gas level is starting to taper off thanks to legislation in the US?
What is the initial source for all food webs?
Approximately, what percentage of energy moves up to the next trophic level in a food web?
What's the diagram that represents the cycle of Carbon in the atmosphere?
What's one source of Carbon in Aquatic systems?
Which wavelength is more likely to be retained by greenhouse gases?
In what tropics level are autotrophs found?
What type of heterotroph consumes detritus by internal digestion?
In an ecosystem, which can not be recycled?