Earth & Environmental Sciences
nutrient cycling
68%
herbivore
64%
predator
53%
food web
49%
ecosystem
20%
trophic level
17%
terrestrial ecosystem
17%
fungus
15%
nutrient use
14%
effect
14%
dead organic matter
14%
nutritional requirement
13%
decomposition
12%
nutrient
11%
bacterium
11%
senescence
11%
trophic interaction
10%
excretion
9%
lignin
9%
detritus
9%
aquatic environment
8%
vertebrate
8%
invertebrate
7%
calcium
6%
phosphorus
6%
consumption
6%
rate
5%
biomass
5%
nitrogen
5%
carbon
5%
energy
4%
product
4%
Agriculture & Biology
biogeochemical cycles
69%
food webs
59%
herbivores
52%
predators
45%
ecosystems
26%
terrestrial ecosystems
22%
trophic levels
19%
nutrients
15%
trophic relationships
11%
degradation
10%
fungi
10%
detritus
10%
aquatic ecosystems
10%
bacteria
9%
aquatic environment
9%
nutrient requirements
9%
organic matter
7%
invertebrates
7%
lignin
7%
excretion
7%
death
6%
vertebrates
6%
phosphorus
6%
carbon
5%
calcium
5%
biomass
5%
energy
5%
nitrogen
5%
Medicine & Life Sciences
Herbivory
100%
Nutrients
53%
Food Chain
51%
Ecosystem
41%
Fungi
11%
Lignin
9%
Waste Products
9%
Nutritional Requirements
8%
Bacteria
8%
Nutritive Value
8%
Biomass
7%
Invertebrates
7%
Phosphorus
6%
Carbon
6%
Nitrogen
6%
Vertebrates
5%
Calcium
4%