Ecology

Question 0

Abiotic

Answer 0

Nonliving physical and chemical components of an ecosystem

Question 1

Biotic

Answer 1

Living things, there remains and factors

Question 2

List 3 examples of a biotic thing

Answer 2

Fish, trees, bird

Question 3

List three examples of an abiotic object

Answer 3

Rock, soil, water

Question 4

Habitat

Answer 4

Places where a species can live

Question 5

Niche

Answer 5

The organisms place in the food web, it’s habitat, breeding area, and active time of day

Question 6

Producer / autotroph

Answer 6

Organisms that produce its own food using energy from the sun through the process of photosynthesis

Question 7

Consumer / heterotrophy

Answer 7

Organisms that obtains it’s energy by feeding on other organisms

Question 8

Herbivore

Answer 8

Feeds on plants only

Question 9

Carnivore

Answer 9

Feeds on other animals only

Question 10

Omnivore

Answer 10

Feeds on both plants and animals

Question 11

Decomposer

Answer 11

Breaks down dead organic matter but does not physically eat it

Question 12

Detritivore

Answer 12

Feeds on small amounts of dead and decaying matter

Question 13

Scavenger

Answer 13

Eats large amounts of dead organic matter

Question 14

List the biological organization (/10)

Answer 14

Cell-> tissue-> organ-> organ system-> organism-> population-> community-> ecosystem-> biome-> biosphere

Question 15

Sustainable ecosystem

Answer 15

An ecosystem that is able to maintain natural ecological conditions or processes without interruption, weakening, or loss of value in the long term

Question 16

All energy that flows through ecosystems originates in the what? Two processes are responsible for converting this energy:

Answer 16

Sun
Photosynthesis
Cellular respiration

Question 17

Photosynthesis:

________ + carbon dioxide + ______ ——> ________ + ________

Answer 17

Energy, water, oxygen and glucose

Question 18

Photosynthesis done only done by what?

Answer 18

Green plants

Question 19

Photosynthesis traps the energy from the sun as _____ Energy stored in the chemical bonds of ______ molecules

Answer 19

Chemical

Sugar

Question 20

Cellular respiration:

______+______———> carbon dioxide + _____+_____

Answer 20

Glucose, oxygen, water, energy

Question 21

Respiration used by ____ organisms to release _____ from food

Answer 21

All , energy

Question 22

Food chains represent the flow of a what in an ecosystem?

Answer 22

Energy

Question 23

All food chain start with what which obtain its energy from the what?

Answer 23

Producer

Sun

Question 24

All other organisms in a food chain are _____since they must eat other _____ to obtain their energy

Answer 24

Consumers | Organisms

Question 25

Trophic level

Answer 25

Describes how high on the food chain an organism is

Question 26

Organisms in the food chain are independent, which means that changes at one level of the food chain can affect other organisms at what?

Answer 26

Other levels

Question 27

A group of interlinking food change that represent the flow of energy and then ecosystem is called what?

Answer 27

A food web

Question 28

Food pyramids

Answer 28

Methods of graphically and quantitatively representing the feeding relations in the food chain

Question 29

Pyramid of numbers

Answer 29

Shows the number of organisms at each trophic level and gives that indication how many organisms are required to sustain the organisms in the levels above

Question 30

Pyramid of biomass- shows the total ____ ____ present at each level

Answer 30

Dry mass

Question 31

Pyramid of energy

Answer 31

Shows the energy contact of all organisms at each level

Question 32

Energy content of organisms at ___ tropic levels is always ____ than that at the lower levels

Answer 32

Upper | Less

Question 33

Organisms at each level use up about ____% of the energy from their foods for for what?

Answer 33

90% | Life functions

Question 34

Only ___% if the energy is stored in their tissues and can be passed on to the next _____ level

Answer 34

10% | Tropic

Question 35

From food _____ we know that on each tropic level there are fewer organisms

Answer 35

Pyramid

Question 36

Since the higher up the food chain you go the fewer organisms there are, the top what end up accumulating ____ chemicals in their bodies.

Answer 36

Predators, most

Question 37

DDT (_____ commonly used prior to 1972) - human ______ - causes ____ and _____ system damage

Answer 37

Pesticide Carcinogen Liver & reproductive

Question 38

PCB's (commonly used as coolants in industry) - human ______ - causes _____ damage - significant pollutant in the _____ ______

Answer 38

Carcinogen Liver Great Lakes

Question 39

Mercury - damages the ____ system - it's organic form called methyl mercury has been shown to bioaccumulate in large ____

Answer 39

Nervous | Fish

Question 40

Ecosystem

Answer 40

Community together with all the abiotic factors that influence it

Question 41

Hydrosphere

Answer 41

All water on earth

Question 42

Lithosphere

Answer 42

Top layer of the earth

Question 43

Community

Answer 43

All the populations of different organisms that make up an ecosystem

Question 44

Population

Answer 44

All the individuals of the same species that live in a given area

Question 45

Biosphere

Answer 45

All the living parts of the earth together

Question 46

Biome

Answer 46

A large geographical area with similar climate and vegetation

Question 47

Atmosphere

Answer 47

The air in a biosphere

Question 48

Bioamplification is the process by which increasing amounts of a _____ chemical are accumulated in the bodies if consumers that are ____ ____ on the food chain.

Answer 48

Toxic | Higher up

Question 49

Biodiversity is the number of _____ in an _____

Answer 49

Species | Ecosystem

Question 50

Biotic potential

Answer 50

A measure of how fast a species can increase its population

Question 51

Carrying capacity for a particular species varies from ______ to ______ depending the factors listed above

Answer 51

Ecosystem to ecosystem

Question 52

Competition occurs when two species rely on the same _____ or _____ ______ and thus compete for it

Answer 52

Habitat or food source

Question 53

Predation is a relationship between two _____ in which one of them acts as a predator that captures and feeds on the other organism that serves a a the ____.

Answer 53

Species | Prey

Question 54

The law of tolerance is when a organism can survive with a certain range of that _____ factor

Answer 54

Abiotic

Question 55

Exotic (invasive) species

Answer 55

An organism that is not native and has a negative impact of an ecosystem

Question 56

Closed system

Answer 56

An ecosystem that does not welcome new species

Question 57

What does a pyramid showing numbers look like?

Answer 57

Line, box, box, line

Question 58

What does a pyramid if biomass look like?

Answer 58

Box, smaller box, smaller box, line

Question 59

What does a pyramid of energy look like?

Answer 59

Box, smaller box, smaller box.... Line

Question 60

Explain how a population grows

Answer 60

It starts low then increases to it's carrying capacity (rapid growth) and goes slowly up and down around there