This printable crossword puzzle on the topic of Ecology & Evolution has 22 clues. Answers range from 5 to 19 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
make their own food
total amount of matter and energy stays constant
carnivores, omnivores, herbivores, and scavengers.
break down dead or decaying organisms.
green pigment that absorbs light.
Consumers eat
process by which plants make their own food using sunlight.
primary, secondary, tertiary
chlorophyll is a green
also considered alcoholic fermentation
type of fermentation that occurs in muscles
creates cellular respiration and uses oxygen
output of energy in the form of waves
creating energy without oxygen
absence of oxygen.
presence of oxygen
When carbon moves between organisms and their environment it is called
smaller molecules react producing glucose, water, and large amounts of energy.
fixed nitrogen is fixed into free nitrogen
Bacteria in root nodules fix this into simple compounds.
oxygen, water, glucose
sunlight, carbon dioxide, water