Chapter 4 - Ecosystems

Question 0

Ecosystems

Answer 0

A community of living things and how they interact with their environment.

Question 1

Ecology

Answer 1

The study of the way organisms interact with other organisms and with their environment.

Question 2

Biotic Factors

Answer 2

A living animal in an ecosystem.

Question 3

Abiotic Factors

Answer 3

Non Living things in an ecosystem.

Question 4

Habitat

Answer 4

A place where an organism lives.

Question 5

Carnivore

Answer 5

An organism that eats only meat.

Question 6

Herbivore

Answer 6

An organism that eats only plants.

Question 7

Consumers

Answer 7

Consumers eat produced food.

Question 8

Producer

Answer 8

Producers produce food and nutrients for the consumers to eat.

Question 9

Omnivore

Answer 9

Omnivore are organisms that eat meat and herbs/plants.

Question 10

Detritivores

Answer 10

An organism that feeds on dead organic materials.

Question 11

Decomposers

Answer 11

An organism that gets rid of organic materials.

Question 12

Heterotroph

Answer 12

An organism that relies on other organisms to feed it nutrients and molecules.

Question 13

Niche

Answer 13

Conditions the organism lives in.

Question 14

Relationship

Answer 14

When two organisms are connected and create other organisms.

Question 15

Predator

Answer 15

Usually a carnivore that chases and eats its prey.

Question 16

Prey

Answer 16

When organisms are being chased by a predator.

Question 17

Symbiosis

Answer 17

A relationship between two different organisms.

Question 18

Mutualism

Answer 18

A relationship between two organisms in which they both benefit.

Question 19

Parasitism

Answer 19

Two organisms that one organism gets benefit but the other one is harmed.

Question 20

Commensalism

Answer 20

One organism benefits without affecting the other.

Question 21

Species

Answer 21

Are animals that have a lot of similarities and can mate with each other.

Question 22

Population

Answer 22

All the individual organisms of one species in an area of a certain time.

Question 23

Community

Answer 23

All of the organisms and populations in an area.

Question 24

Food Chains

Answer 24

A diagram starting with producers and shows what organisms eat.

Question 25

Food webs

Answer 25

A number of food chains joined together.

Question 26

Chlorophyll

Answer 26

A green substance that a photosynthesise plant has to photosynthesise.

Question 27

Cellular Respiration

Answer 27

A chemical reaction which includes oxygen and moving the organic matter energy (glucose) into the ATP compound.

Question 28

Autotrophs

Answer 28

An organism that can supply its own nutrients.

Question 29

Ecological Niche

Answer 29

A specific condition which and organism needs to live in.

Question 30

Nutrition

Answer 30

Something an organism can obtain or provide for itself or another organism.

Question 31

Interspecific Competition

Answer 31

When organisms from two different species fight for some thing such as food, mates, shelter e.g.

Question 32

Intraspecific Competition

Answer 32

When organisms from the same species fight for something, such as food, mates, shelters, e.g.

Question 33

Host

Answer 33

The organism which the parasite feeds on.

Question 34

Parasite

Answer 34

An organism that feeds on the outside or inside of the hosts body, the organism usually benefits while harming the host.

Question 35

Food Chains

Answer 35

Diagram that starts with a producer that shows which organisms feed on what.

Question 36

Food Web

Answer 36

A number of food chains joined together.

Question 37

Trophic Levels

Answer 37

A feeding level that shows a chain of which organisms have energy of another organism, which they ate.

Question 38

Second Trophic Level

Answer 38

The second level of a food chain or web and the energy of the primary producer is absorbed by the primary consumer.

Question 39

Third Trophic Level

Answer 39

The third train level of a food web, usually the secondary consumer.

Question 40

Fourth Trophic Level

Answer 40

The fourth level of a food web.

Question 41

Primary Producer

Answer 41

Usually starts the food web by photosynthesising.

Question 42

Secondary Consumer

Answer 42

This organism eats the primary consumer. Also known s the second order consumer.

Question 43

Tertiary Consumer

Answer 43

The organism that eats the secondary consumer. Also known as the third order.

Question 44

Metabolism

Answer 44

A chemical reaction that happens when an organism uses another organisms energy to repair cells and grow.

Question 45

Saprophytes

Answer 45

Organisms such as fungi that obtain nutrients from dead organic matter.

Question 46

Fossil Fuels

Answer 46

Natural gases and fuel such as coal that is formed by using the remains of organisms.

Question 47

Nitrogen Fixing Bacteria

Answer 47

Bacteria that enables nitrogen o convert into other compounds which can go into the soil.

Question 48

Nitrifying Bacteria

Answer 48

Bacteria that changes dissolved ammonia into nitrite compounds. Or nitrites into nitrate compounds.

Question 49

Decomposer Bacteria

Answer 49

Bacteria that decomposes the organic waste of a once living organism.

Question 50

Denitrifying Bacteria

Answer 50

Bacteria in soils that change the nitrates compounds into poisonous nitrite and ammonia gases.

Question 51

Greenhouse Effect

Answer 51

A natural effect when the sun gives heat to the earth and the Earth uses that heat to keep the temperature stable.

Question 52

Greenhouse Gases

Answer 52

For example Carbon Dioxide, which is one of many gases that is in the atmosphere that helps trap the heat for Earth.

Question 53

Enhanced Green House Effect

Answer 53

When the amount of gases in the air intensify from human activity and adding more green house gases into the atmosphere.

Question 54

Global Warming

Answer 54

When the Earth gets too hot and the temperature gets too hot.

Question 55

Ecological Footprint

Answer 55

The estimated amount of resources that an individual or group need that uses the productive land and water supply.

Question 56

Sustainability

Answer 56

To sustain a resource or something and can still be used overtime.

Question 57

Biodegradable

Answer 57

A substance that is easily broken down in the environment

Question 58

Renewable Resource

Answer 58

Resources that are easily replaced, such as the sunlight, air, water e.g.

Question 59

Transpiration

Answer 59

Loss of water from a leaf or plant through stomata.

Question 60

Biological Surveys

Answer 60

A procedure that includes observing, describing and counting organisms.

Question 61

Turbidity

Answer 61

A measure of how cloudy a liquid is.