Ecology

Question 1

What is independence?

Answer 1

one change can affect all species

Question 2

What is the biosphere?

Answer 2

the volume of earth and its atmosphere whcih supports life

Question 3

What is an ecosystem?

Answer 3

All organisms and the nonliving enviroment found in a particular place

Question 4

What is a community?

Answer 4

All the interacting organisms in an area

Question 5

What is a population?

Answer 5

Individual organisms of a single species

Question 6

What is Acclimation?

Answer 6

When an organisms gradually adjusts to the environment

Question 7

What are conformers?

Answer 7

Organisms that do not regulate their internal conditions; they change with he enviroment

Question 8

What are regulators?

Answer 8

Use energy to control some of their internal conditions

Question 9

What is a niche?

Answer 9

a way of life or a role in an ecosystem

Question 10

What are producers?

Answer 10

Photosynthetic and make carbohydrates by using energy from the sun

Question 11

What is a food chain?

Answer 11

A single pathway of energy transfer

Question 12

What is a food web?

Answer 12

A network showing all paths of energy transfer

Question 13

What are the two main steps in the carbon cycle?

Answer 13

Photosynthesis and cellular respiration

Question 14

What do nitrogen fixing bacteria do?

Answer 14

Change nitrogen gas into a usable form of nitrogen for plants

Question 15

What is predation?

Answer 15

Interaction in which one organism captures and eats all or part of another organism

Question 16

What is mimicry?

Answer 16

Adaptation in which a species gains an advantage by resembling another species or object

Question 17

What is mutualism?

Answer 17

Both interacting species benefit

Question 18

What is commensalism?

Answer 18

One species benefits and the other is not affected

Question 19

What is species richness?

Answer 19

Number of species in a community

Question 20

What is species evenness?

Answer 20

Relative abundance of each species

Question 21

Where is species richness greater?

Answer 21

Equator

Question 22

What is ecological succession?

Answer 22

Change in the species composition of a community over time

Question 23

What is primary succession?

Answer 23

Assembly of a community on newly created habitat

Question 24

What is secondary succession?

Answer 24

Change in a community following a disturbance

Question 25

What is climax community?

Answer 25

When a community reaches a stable end point usually after a disruption

Question 26

What is tundra?

Answer 26

Cold biome characterized by permafrost under the surface of the ground

Question 27

What are tropical forests?

Answer 27

Receive abundant rainfall and have stable temps

Question 28

Which biome has the greatest species richness?

Answer 28

Tropical forest

Question 29

What is a temperate forest?

Answer 29

Have coniferous trees which seed in cones. | Have deciduous trees, shed leaves annually

Question 30

What is taiga?

Answer 30

Cold, but warmer than tundra and receive percipitation

Question 31

What forests are in Taiga?

Answer 31

Coniferous forests

Question 32

What are temperate grasslands?

Answer 32

Cold winters and hot summers.

Question 33

What is a savanna?

Answer 33

Tropical grasslands with wet and dry seasons

Question 34

What is a Chaparral?

Answer 34

Found in coastal regions with warm , dry summers and mild winters Dense, spiny shrubs

Question 35

What is a desert?

Answer 35

Receive less than 25cm of rain Species conserve water

Question 36

What is the photic zone?

Answer 36

Receives light

Question 37

What is the aphotic zone?

Answer 37

Does not receive light

Question 38

What is the Intertidal zone?

Answer 38

Organisms must be able to tolerate drying and pouding by waves

Question 39

What is the Neritic zone?

Answer 39

Receives nutrients from the bottom of the ocean and from land. Richest in number of species

Question 40

What is a Estuarie?

Answer 40

Productive area where rivers and streams flow into the sea

Question 41

What is an Oligotrophic zone?

Answer 41

Clear and lacking in nutrients

Question 42

What is a limiting nutrient?

Answer 42

Essential thing to species but is scarce

Question 43

What is the greenhouse effect?

Answer 43

Situation in which heat is retained by greenhouse gasses such as co2

Question 44

What is symbiosis?

Answer 44

A mutual benefiting relationship between two organisms

Question 45

What factors define a biome?

Answer 45

Abiotic ones such as climate and assemblage of plants

Question 46

What are phytoplankton?

Answer 46

Photosynthetic organisms which are found near the surface of ocean and form part of a plankton

Question 47

What are zooplankton?

Answer 47

Tiny animals which form part of the plankton

Question 48

What is population density?

Answer 48

Number of induviduals per unit of area

Question 49

What three factors affect population size?

Answer 49

Number of births Number of deaths Number which enter or leave population

Question 50

What is k?

Answer 50

Carrying capacity

Question 51

What is carrying capacity?

Answer 51

Largest number of individuals of a population which an environment can support

Question 52

What is sustainable use?

Answer 52

Way of using resources without depleting them

Question 53

What is soil erosion?

Answer 53

The wearing away of soil by water and wind

Question 54

What is desertification?

Answer 54

Productive areas turned to deserts

Question 55

What is deforestification?

Answer 55

Loss of forests

Question 56

Why is biodiversity important?

Answer 56

Species have provided us with food, medicines, like pain killers

Question 57

What is biological magnification?

Answer 57

Substances such as metals are eaten up the food chain and by birds and it is concentrated further

Question 58

What is the ozone layer?

Answer 58

A large concentration of ozone

Question 59

What is global warming?

Answer 59

The increase in temp of the biosphere

Question 60

What are causes of global warming?

Answer 60

Increased amount of co2 by human ativitis and other greenhouse gasses

Question 61

What are Denitrifying bacteri?

Answer 61

Make nitrogen gas

Question 62

What are invasive species?

Answer 62

Oranisms which reproduce rapidly. Drives native species to extinction