Science Final

Question 1

All the different populations that live together in an area make up a

Answer 1

community

Question 2

All of the organisms that live in a particular area, along with the non living environment is called

Answer 2

ecosystem

Question 3

the lack if surface to attach to is an example of _______ acting as a ______ factor that stops barnacle poplation growth

Answer 3

space, limiting

Question 4

_______ is the process of a gas changing back to a liquid and form cloud

Answer 4

condensation

Question 5

what is an example of a organism that can be both 1st and 2nd level consumer

Answer 5

groise

Question 6

Nitrogen that exists in the air is fixed by ______ in the root nodules

Answer 6

Bacteria

Question 7

______ use nitrogen to make many complex compounds. WHen animals eat thenm, the nitrogen goes to them

Answer 7

Plants

Question 8

Why is it necessary to add a nitrogen based fertilizer to the soil where there was a patch of grass

Answer 8

Because plants cannot use “free” nitrogen

Question 9

what ways are plants involved in the oxygen and carbon cycles

Answer 9

photosynthesis, respiration, decompsition

Question 10

what do lung worms and fly larvae have in common

Answer 10

They have different niches in the same habitat

Question 11

what is the first species to populate a new land called

Answer 11

pioneer

Question 12

_______ succession is a series of changes that allows new species to inhabit an area that already had a pioneer species

Answer 12

secondary

Question 13

grass, trees and weeds are

Answer 13

producers

Question 14

coyotes and vultures are

Answer 14

scavengers

Question 15

According to what law is there a fixed amount of nitrogen on Earth

Answer 15

Law of Conservation of Mass

Question 16

what are 2 examples of ways people increase the amount of carbon dioxide in the atmaosphere

Answer 16

driving a car to the store, and cuttign down tree in a forest

Question 17

what is a relationship in shich one species benfits and the other species is neither helped nor harmed

Answer 17

commensalism

Question 18

list 3 examples of ways prey adapt to survive

Answer 18

bright colors, camouflage, and night vision

Question 19

what would most likely happen if farmlands that used ti be wetands stopped farming ad has water flow through again

Answer 19

populations of native wetland plants will recolonize

Question 20

which ecosystem service matches with : recover from damage

Answer 20

regulatory services

Question 21

which ecosystem service matches with: recreational services

Answer 21

cultural services

Question 22

which ecosystem service matches with: water cycle and nutrients

Answer 22

supporting services

Question 23

which ecosystem service matches with: natural services

Answer 23

provisional services

Question 24

what is a similar interaction of fungi and algae that would happen in the real world

Answer 24

mutualism between fungi and ants

Question 25

list three thing that describes secondary succession

Answer 25

occurs rapidly, natural disruption to ecosystem, soil present

Question 26

what is the differance between the two kinds of ways of extinction can occur

Answer 26

Mass- quickly and kills many species background- occurs slowly

Question 27

what are 3 ways that humans are negatively affecting the body

Answer 27

introducing invasive species, removing natural resources, Adding carbon to the atmosphere

Question 28

Limiting factors cause the size of population to (stop decreasing/ stop increasing) or to ( increase/ decrease)

Answer 28

stop increasing, decrease

Question 29

waste products are an example of

Answer 29

biotic factors

Question 30

weather is an example of

Answer 30

abiotic factors

Question 31

Pollutants are an example of

Answer 31

abiotic factors

Question 32

what is the resistance if the voltage is 10V and the current is 0.5 A

Answer 32

20 ohms

Question 33

when a switch is ( open/closed)_______ charges can flow through the circuit. When a switch is ( open/ Closed) ______ the circuit is broken

Answer 33

closed; open

Question 34

T or F even though energy is used to power devices, the energy is always conserved

Answer 34

true

Question 35

the largest population that an area can support is called its

Answer 35

carrying capacity

Question 36

Mushrooms and worms are

Answer 36

decomposers

Question 37

Rabbit, birds, and mice are

Answer 37

consumers

Question 38

T or F Primary succession usually occurs more rapidly than secondary succession

Answer 38

false

Question 39

list 2 examples of parasitism

Answer 39

deer and nasal bot fly, and deer and lung worm

Question 40

T or F the longleaf ping tree is typically destroyed by wildfires which is why there are so few left in the south

Answer 40

False

Question 41

T or F According to fossil evidence, fifty percent of all organisms that have ever lived on Earth are now extinct

Answer 41

False

Question 42

what are som direct value resources

Answer 42

crops and raw materials

Question 43

t or f if the voltage in a circuit increases and has fixed resistance, the current increases with the voltage

Answer 43

true

Question 44

whwhat law states that resistance in a circiut is equal to voltage divided by current

Answer 44

Ohms Law

Question 45

what is the difference in electrical potential energy per charge cetween two points in a circuit

Answer 45

Voltage

Question 46

what is not an example of higher resistance

Answer 46

good conductor

Question 47

Which of the following factors is resistance not dependent on

Answer 47

Mass

Question 48

the current flows due to a difference in potential energy called _______. The light bulb is a ______ which slows it down

Answer 48

voltage: resistors

Question 49

T or F Electric current goes in the same direction of the flow of electrons

Answer 49

False

Question 50

_____ is a relationship in which one species benefits and the other species is neither helped nor harmed

Answer 50

commensalism

Question 51

____ is a relationship in which bother species benefit

Answer 51

mutualism

Question 52

_______ is a relationship in which one species benefits and the other is harmed

Answer 52

parastism

Question 53

what could be could a trigger to primary succession

Answer 53

volcanic eruptions

Question 54

T or F ecosystems services are often produced without help from humans and they are free.

Answer 54

true

Question 55

list 3 ways humans protect and restore the ecosystem

Answer 55

through\ ecological restoration, through conservation, and by working toward sustainablility to maintain diversity