ecology

Question 1

biotic community

Answer 1

the living members of the community

Question 2

community

Answer 2

the total number of organisms within a set area

Question 3

predation

Answer 3

consumer that kills another living organisms and eats it

Question 4

prey

Answer 4

organism that is eaten

Question 5

paraistation

Answer 5

organism that live on or in another organism and obtain their food from that organism

Question 6

commensialism

Answer 6

a relationship in which one organism benefits from a host, without helping or harming it

Question 7

primary consumers

Answer 7

an animal that on plant

Question 8

why are producers organisms called autotrophs

Answer 8

they can produce their own nutrients to survive

Question 9

population

Answer 9

all members of one species found in the same time and area

Question 10

what is variation among individuals in populations necessary for `

Answer 10

organ evolution

Question 11

what was the natural selection theory

Answer 11

• not all species are a like
• some can obtain food and mates better than others in the same species
• characteristics are passes down to offspring

Question 12

what is continuously cycled

Answer 12

matter

Question 13

what is transpiration

Answer 13

the process where green plants return water to the atmosphere

Question 14

what is the first law of thermodynamics

Answer 14

energy cannot be created or destroyed but is converted to different forms

Question 15

what is the second law of thermodynamics

Answer 15

during energy transformation some energy is lost as heat

Question 16

what is the formula for efficiency of energy

Answer 16

output over input X100

Question 17

what is biomass

Answer 17

the mass of living material

Question 18

what are the two different ways that populations are produced

Answer 18

1-environmental factors

2- inheritance

Question 19

what is organic evolution

Answer 19

the changing of species over time

Question 20

what is the name of the first organism of the trophic level

Answer 20

producer

Question 21

what is the name of the second organism of the trophic level

Answer 21

primary consumer

Question 22

what is the name of the third organism of the trophic level

Answer 22

secondary consumer

Question 23

what is the name of the forth organism of the trophic level

Answer 23

tertnary consumer

Question 24

what is the name of the fifth organism of the trophic level

Answer 24

Quaturnary consumer

Question 25

what is the name of the sixth organism of the trophic level

Answer 25

quintary consumer

Question 26

what is the name of the seventh organism of the trophic level

Answer 26

sextary consumer

Question 27

inheritance of acquired characteristics

Answer 27

If an organism changes during life in order to adapt to its environment, those changes are passed on to its offspring.

Question 28

homologous

Answer 28

having the same relative position, value, or structure

Question 29

comparative anatomy

Answer 29

the study of similarities and differences in the anatomy of different species.

Question 30

comparative embryology

Answer 30

the comparison of embryo development across species

Question 31

radioactive isotope

Answer 31

an atom that has excess nuclear energy, making it unstable

Question 32

vestigial organs

Answer 32

structures that have no known function

Question 33

what is the atmosphere zones

Answer 33

1- troposphere
2- stratosphere
3-mesosphere

Question 34

what are the three main structural zones of the earth?

Answer 34

1- lithosphere (land)
2- hydrosphere (water)
3- atmosphere (air)