Ecology Review Worksheet Name Per.

«  10% Rule / «  population crash / «  ecology / «  herbivore / «  nitrogen fixation
«  abiotic / «  carnivore / «  ecosystem / «  heterotroph / «  omnivore
«  ammonia / «  carrying capacity / «  evaporation / «  limiting factor / «  population
«  autotroph / «  community / «  food chain / «  logistic growth / «  precipitation
«  biodiversity / «  condensation / «  food web / «  niche / «  producer
«  biosphere / «  consumer / «  fossil fuels / «  nitrate / «  transpiration
«  biotic / «  denitrification / «  habitat / «  nitrification / «  trophic structure
«  exponential growth / «  predator-prey cycle / «  aquatic / «  terrestrial / « 
Term / Definition
1.  / process of converting nitrates into nitrogen gas
2.  / a one-way feeding pattern
3.  / collection of different species that live in a specific area
4.  / process of converting nitrogen gas into ammonia
5.  / animals that eat only other animals
6.  / animals that eat only producers
7.  / a specie’s unique lifestyle
8.  / states a specific amount of energy passed from one feeding level to the next
9.  / water returning to ground through rain/snow/hail
10.  / a defined area, and the living/nonliving factors within
11.  / shows the energy & feeding relationships between producers/consumers/decomposers
12.  / living conditions
13.  / shows relationship between numbers of predator and numbers of its prey
14.  / substance in the soil that plants use to make amino acids to build its structures
15.  / a specie’s living space
16.  / feeding pattern that shows relationships between producers, consumers & decomposers
17.  / product of protein synthesis that is toxic
18.  / organism that makes food for other organisms
19.  / when a population grows very quickly, exceeds what it can support, then drops
20.  / when population grows quickly & reaches a stable maximum
21.  / group of individuals made of the same species that live in a specific area
22.  / organisms that depend on others for food
23.  / non-living conditions
24.  / having a variety in the different number of species
25.  / process of converting ammonia to nitrates
26.  / source of energy made from preserved organisms
27.  / organism that can make its own food
28.  / water loss to atmosphere from bodies of water
29.  / water droplets that collect in the atmosphere
30.  / the living globe; is a closed system
31.  / animals that eat both producers & other animals
32.  / study of organisms & their interactions with their environments
33.  / conditions that restrict the growth of populations
34.  / the largest number a population get given available resources in environment
35.  / water loss to atmosphere from plants
36.  / organisms that eat other organisms
37.  / when a population grows very quickly, past what its resources can support

For each of the following, determine whether the statement describes habit or niche.

38.  / great horned owls are found in woodlands
39.  / great horned owls are common top bird predators in N. America
40.  / great horned owls also live on cliffs at the edge of forests
41.  / great horned owls are the only birds that regularly eat skunks
42.  / great horned owls are nocturnal, feeding only at night

Identify which of the following has greater biodiversity. Circle your choice.

  1. a. 10 species of trees, each with 10,000 individuals b. 100 species of flowers, each with 100 individuals
  2. a. jungles of S.E. Asia b. tundra of the Arctic c. temperate rain forest of Pacific Northwest

For each of the following, determine whether the statement describes a biotic factor or an abiotic factor.

45.  / tropical rain forests receive the most amount of rainfall of all biomes
46.  / an increase in plants provided herbivores with more food, increasing birth rates
47.  / oak trees provide homes to many animals
48.  / plains are susceptible to tornadoes and high wind conditions
49.  / transpiration from forests increases humidity, forming clouds and promotes rainfall
50.  / polar bears are top predators of the Arctic
51. Carbon Cycle / 52. Nitrogen Cycle
a. Importance to Organisms
b. Different Forms of Molecules
c. Macromolecule(s) Affected
d. How obtained by producers? in what form? / How: / Form: / How: / Form:
e. How obtained by consumers? in what form? / How: / Form: / How: / Form:
f. How obtained by decomposers?
g. Processes involved / « 
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