ecology

Question 1

what are abiotic factors

Answer 1

all of the non living parts of the environment that can effect organisms

Question 2

what are biotic factors

Answer 2

any living factor that effects another organism or effects the ecosystem in some way

Question 3

what are some examples of biotic factors

Answer 3

food availability, competition for recourses, diseases

Question 4

what are some examples of abiotic factors

Answer 4

light intensity, co2 concentration, temperature, intensity of wind, soil PH

Question 5

what is an ecosystem

Answer 5

the interaction between the living organisms and their non living environment

Question 6

what is a habitat

Answer 6

the place where an organism lives in an ecosystem

Question 7

what is the population

Answer 7

the total number of one species in an ecosystem

Question 8

what is a community

Answer 8

all the plants and animals living in an ecosystem eg a garden

Question 9

what is adaption

Answer 9

features that organisms have to help them survive in their environment

Question 10

what is interdependence

Answer 10

depending on each other for survival

Question 11

what is intraspecific competition and interspecific competition

Answer 11

competition among organisms from the same species
competition among organisms from different species

Question 12

what is a producer

Answer 12

organisms in a food chain that make their own food using sunlight

Question 13

what is a primary consumer

Answer 13

organisms in a food chain that gets its energy from eating producers

Question 14

what is a secondary producer

Answer 14

organisms in a food chain that get their energy from eating primary consumer

Question 15

what is a prey/ predator

Answer 15

prey - gets hunted and eaten by predator
predator - hunts and eats prey

Question 16

what is the carbon cycle

Answer 16

a natural cycle through which carbon moves by respiration, photosynthesis and combustion in the form of carbon dioxide

Question 17

what is the water cycle

Answer 17

the process by which water moves from the sea to the air and then to land

Question 18

what is biodiversity

Answer 18

having a range of different plants and species in one ecosystem

Question 19

what is deforestation

Answer 19

removal of large areas of trees to provide land for other uses

Question 20

what is global warming

Answer 20

the increase of the earths temperature due to an increase in carbon dioxide

Question 21

what is biomass

Answer 21

the dry mass of organisms

Question 22

list a few factors that animals will compete for

Answer 22

territory, food and water, mates

Question 23

list a few factors plants will compete for

Answer 23

light, water, space, minerals (in soil)

Question 24

what is the structure of a food chain

Answer 24

producer, primary consumer, secondary consumer, tertiary consumer

Question 25

what do the arrow in a food chain present

Answer 25

the transfer of energy

Question 26

why doesn't all the energy made from the producer get transferred all the way up the food chain

Answer 26

some will get lost to surrounding and some will be used by other animals for respiration to move, breath etc

Question 27

what are trophic levels

Answer 27

the different levels of a food chain

Question 28

explain the structures of trophic levels

Answer 28

bottom level one - producer level two - primary consumer level three - secondary consumer level four - tertiary consumer top

Question 29

create a tropic level diagram for the animals: snake, owl, grass, mouse

Answer 29

bottom grass mouse snake owl top

Question 30

what is an apex predator

Answer 30

carnivores that have no predators

Question 31

give an example of a decomposers and an detritivores

Answer 31

decomposers - bacteria, fungi detritivores - small animals like worms

Question 32

what do decomposers and detritivores do

Answer 32

help decompose the dead plant and animal matter back into the environment. meaning nutrience from animals and plants go back into the ground to be used again by producers