Chapter 54-55: Community & Population Ecology

Match the terms to the correct definition.

• Management

• keeping ecosystems the same

• Preservation

• manipulating and balancing natural systems w/ human needs

• Conservation

• preserving diversity and stability in an ecosystem

Match the following definitions to their vocabulary word.

• Fundamental Niche

• environment/area that is occupied by an organism

• Partition

• role of species in an environment & how it interacts within it

• Competitive Exclusion

• species competing for the same resources and eventually something happens to one (migration or extinction)

• Realized Niche

• environment/area that is potentially occupiable for an organism

• Ecological Niche

• to divvy out resources

(+/-) = ​ (a)  

(+/+) = ​ (b)  

(+/0) = ​ (c)  

• predation/herbivory/parasitism
• mutualism
• commensalism/facilitation

Organize these options into the right categories.

Groups:

(a) Predation

,

(b) Mutualism

,

(c) Commensalism

• birds nesting in trees

• herbivores and birds

• worms & plants

• termites on a tree

• tape worm in humans

• bacteria in termite gut

• leeches on fish

Organize these options into the right categories

Groups:

(a) Aposematic Coloration

,

(b) Cryptic Coloration

,

(c) Batesian Mimicry

,

(d) Mullerian Mimicry

• two frog species are toxic and have the same bright blue coloring

• two butterflies with similar coloring, equally dangerous

• black and yellow stripes on flying insects

• flounder fish looking similar to sea floors

• flower fly resembles the honey bee but has no stinger

• bright colored marine animals having warning colorations

• nonvenomous snake is mimicked by a venomous one

• tigers in savannahs

Answer explanation

Match the definitions to their vocabulary word.

• Batesian Mimicry

• a harmless species mimics an unpalatable or harmful model

• Müllerian Mimicry

• harmful species mimic each other to symbolize danger

• Cryptic Coloration

• helps in the avoidance of detection by blending in with surroundings

Match the definitions to the vocabulary words.

• Climatic Community

• change in an ecosystem when life begins there and gradually changes until it stabilizes

• Secondary Succession

• environment has been disrupted and growth happens to stabilize again

• Primary Succession

• environment reaching the most stable that it can

Categorize the examples.

Groups:

(a) Primary Succession

,

(b) Secondary Succession

,

(c) Climatic Community

• Mountain landslide and life grows in that new area

• Old growth forest with trees with thousands of years

• abandoned building and growth of vines and weeds takes over

• small forest fire breaks out and ash is used as nutrients for the surviving plant life

• Volcanic eruptions in Hawaii

Match the vocabulary words regarding water recycling to their definition.

• Irrigation

• water condensing & cooling to form droplets, snow, ice, hail, sleet, rain

• Transpiration

• water runs across surface of earth from streams and rivers

• Ground Flow

• water loss from plant leaves

• Precipitation

• water leaving body of water to go to vapor form

• Evaporation

• movement of water through pipes from one place to another

Answer explanation

Precipitation: water condensing & cooling to form droplets, snow, ice, hail, sleet, rain

Evaporation: water leaving body of water to go to vapor form

Transpiration: water loss from plant leaves

Ground Flow: water runs across surface of earth from streams and rivers

Irrigation: movement of water through pipes from one place to another

Categorize how all of these options are recycled.

Groups:

(a) Carbon

,

(b) Phosphorus

,

(c) Nitrogen

,

(d) Water

• used in fertilizers (2)

• combustion reactions

• decomposition (1)

• photosynthesis

• cellular respiration

• Evaporation

• decomposition (2)

• fixation by bacteria

• used in fertilizers (1)

• erosion of rocks

• Ground Flow

• Transpiration

• Irrigation

• Percipitation

Answer explanation