Ecology

Question 1

Define ecology

Answer 1

The study of interactions between organisms and their biotic and abiotic components

Question 2

Define environment

Answer 2

Everything that affects an organism throughout its life as well as everything the organism affects

Question 3

is BIOTIC living or non-alive? provide 5 examples:

Answer 3

Living.
animals, singled-cell organisms, competition, symbiotic relationship + potential

Question 4

is ABIOTIC living or non-living? provide 3 examples:

Answer 4

Non-living.
temperature, disturbances, sunlight

Question 5

what kind of interaction is Population? +1 example

Answer 5

A group of individuals of the same species living in a specific area at a specific time (forest of conifers)

Question 6

what kind of interaction is individuals (species)? +1 example

Answer 6

Organisms that are able to breed with one another and produce fertile offspring (conifer trees)

Question 7

what kind of interaction is community? +1 example

Answer 7

All of the individuals in all of the interacting populations at a given time (forest of conifers with rabbits living in it)

Question 8

what is an Ecosystem?

Answer 8

A community of populations together with the abiotic factors that surround and affect it (forest of conifers with rabbits in the winter)

Question 9

Give an example of Biotic-Biotic interactions?

Answer 9

SYMBIOSIS!
- moose eating grass

Question 10

Give an example of Abiotic-Biotic interactions?

Answer 10

sunlight on plants

Question 11

Give an example of Abiotic-abiotic interactions?

Answer 11

river eroding rocks

Question 12

Define biome

Answer 12

An area classified according to the species that live in that location.

Question 13

Define biosphere

Answer 13

all the ecosystems in the world and their interactions

Question 14

Define: Extinct

Answer 14

a species that no longer exists

Question 15

Define: Extirpated

Answer 15

a species no longer existing in the wild in one area, but it is found elsewhere

Question 16

Define: Endangered

Answer 16

species facing possible extirpation or extinction

Question 17

Define: threatened

Answer 17

a species likely to become endangered if something isn’t done

Question 18

Define: special concern

Answer 18

a species that may become threatened or an endangered species

Question 19

What is birth potential?

Answer 19

max #/birth

Question 20

What is capacity for survival ?

Answer 20

reach reproductive age

Question 21

What is length of reproductive life?

Answer 21

age of sexual maturity and # of fertile years

Question 22

What is biotic potential?

Answer 22

is the maximum number of offspring that a species could produce if resources are unlimited

Question 23

What is carry capacity?

Answer 23

is the maximum number of individuals that can be supported by an ecosystem

Question 24

What is Intraspecific competition

Answer 24

same species

Question 25

What is interspecific competition

Answer 25

different species

Question 26

symbiotic relationship: define Commensalism (+, 0)

Answer 26

-One organism benefits, the other is unaffected -Neither is harmed

Question 27

symbiotic relationship: define Mutualism (+,+)

Answer 27

-The relationship benefits both species Bee and flower

Question 28

symbiotic relationship: define Parasitism (+,-)

Answer 28

-The relationship harms one organism and benefits the other -Parasites don’t usually kill their hosts intentionally (would end their food supply)

Question 29

Competition for niches: -if a new species enters an ecosystem, they're called..and what do they cause? -What are the 3 problems with these species?

Answer 29

-EXOTIC or INVASIVE SPECIES that causes a disturbance -1. comp. between native species -2. no natural predators -3. may bring diseases (that native species aren't immune to)

Question 30

What is density dependant?

Answer 30

factors brought on by pop. size that may limit further growth and/or reduce pop. #’s

Question 31

What is density independent?

Answer 31

any abiotic factors that will affect a population, regardless of its size

Question 32

When populations are small, density dependent factors DO or DO NOT limit growth?

Answer 32

DO NOT

Question 33

Density dependant examples (4)

Answer 33

Biotic factors: Examples include: disease, parasites, predation, starvation

Question 34

Density Independent examples (5)

Answer 34

Natural disasters, including drought, floods, forest fires, etc.

Question 35

Levels of classification: what is DKPCOFGS

Answer 35

Danish King Phillip Came Over For Green Spinach

Question 36

What does the 'D' stand for in DKPCOFGS

Answer 36

DOMAIN

Question 37

What does the 'K' stand for in DKPCOFGS

Answer 37

Kingdom

Question 38

What does the 'P' stand for in DKPCOFGS

Answer 38

PHYLUM

Question 39

What does the 'C' stand for in DKPCOFGS

Answer 39

Class

Question 40

What does the 'O' stand for in DKPCOFGS

Answer 40

Order

Question 41

What does the 'F' stand for in DKPCOFGS

Answer 41

Family

Question 42

What does the 'G' stand for in DKPCOFGS

Answer 42

GENUS

Question 43

What does the 'S' stand for in DKPCOFGS

Answer 43

Species

Question 44

How are organisms named?

Answer 44

Binomial Nomenclature

Question 45

Genus name: appears: alone or never

Answer 45

may appear alone

Question 46

Species name: appears: alone or never

Answer 46

Never appears alone

Question 47

There are 3 domains: Bacteria, Archaea, and Eukarya Based on...what?

Answer 47

The cellular composition of organisms

Question 48

Domain Eukarya: Kingdom of what (4 things)

Answer 48

Protista, Fungi, Plantae and Animalia