science

Question 1

What are the difference between Abiotic and biotic

Answer 1

Abiotic: are non living ex) rocks sun
Biotic: are living things ex) wolf humans

Question 2

Explain what species is

Answer 2

Living things of the same kind that are able to reproduce

Question 3

Explain population

Answer 3

All individuals of one species living in a certain place at the same time

Question 4

What is community

Answer 4

All population of different species living and interacting in the same place

Question 5

What are the basic needs of a living organism in order to survive

Answer 5

Water
Energy 
Food
Exchange gases
Habitat
Wast disposal

Question 6

what is symbiosis

Answer 6

The relationship between species where at least one species benefits

Question 7

What is parasitism

Answer 7

The relationship between where one species benefits and the other is harmed (+,-)

Question 8

What is mutualism

Answer 8

Where both species benefits (+,+)

Question 9

What is commercialism

Answer 9

Where one species benefits where the other isn’t harmed

Question 10

What is behavioural adaptations

Answer 10

Things organisms do to survive

Question 11

What are structural adaptations

Answer 11

Physical features like fur on a bear

Question 12

What is the difference between a dump or landfill and sanitary landfill

Answer 12

Sanitary are designed not to leak. a clay liner and system of pipes is put in place to prevent leakage

Question 13

What is the difference between consumer and producers

Answer 13

Producers: living things at beginning of food chain making its own food

Consumer: living things that relies on other living things for food

Question 14

What are Carnivora

Answer 14

Feed on animals or animal parts

Question 15

What are herbivores

Answer 15

Feed on plants

Question 16

What are omnivores

Answer 16

Feed on both animals and plants

Question 17

What are the three main processes responsible for the water cycle

Answer 17

Evaporation, condensation, precipitation

Question 18

What is bioinvasion

Answer 18

Accidental or planned introduction of a non native species into a community

Question 19

Describe the difference between primary succession and secondary succession

Answer 19

Primary succession: occurs when there is formation of a new community of what was ones barren habbitat

Secondary succession: occurs when there is a formation of a new community in a destroyed or greatly changed community

Question 20

What is pioneer species

Answer 20

The first species to be established in a certain habitat

Question 21

What is climax community

Answer 21

A general stable community that has a wide range of species; the temporary end of succession

Question 22

What are the difference between threatened endangered extirpate and extinct

Answer 22

Threaten-describe a species who’s numbers are declining

Endangered-describes a species that is so rare that is in danger of disappearing or becoming extinct

Extinct-describes a species that is no longer on earth

Extirpated-describes a species that no longer exists is a specific area though it still exists elsewhere

Question 23

What is meant by sustainable life style

Answer 23

A lifetime that can be maintained or continued; capable of being used indefinitely, often referring to the use of resources

Question 24

Explain the plant structure roots is

Answer 24

Absorb water and dissolved nutrients; anchor the plant in the soil

Question 25

Explain the plant structure stem

Answer 25

Provides pathway for movement of water and food; support the leaves and reproductive structures

Question 26

Explain the plant structure leaves

Answer 26

Produce food for the plant; take in and release oxygen and carbon dioxide allow water to exit the plant

Question 27

Explain the plant structure flowers

Answer 27

Each flower usually has both male and female parts for reproduction

Question 28

Explain the plant structure seeds

Answer 28

Contain an embryo that will form a new plant; contain a food supply for the embryo

Question 29

Explain the plant structure cones

Answer 29

There are separate male and female cons for reproduction

Question 30

Explain life process transpiration

Answer 30

The evaporation of water from the surface of the plant mainly from the leaves transpiration pulls the water up from the roots

Question 31

Explain the life process of diffusion

Answer 31

The movement of particles from a area of high concentrations to an area with low concentration

Question 32

Explain the life process of osmosis

Answer 32

The movement of water particles from a cell with high water concentration to low

Question 33

Explain the life process of photosynthesis

Answer 33

The process by witch plants use light energy, carbon dioxide, and water to make their own food

Question 34

Explain the life process of cellular respiration

Answer 34

The process in witch cells break down sugar particles into carbon dioxide, water, and energy

Question 35

What are the three stages of the life cycle of a typical seed plant

Answer 35

Seed —>seedling—>adult

Question 36

Explain the process of pollination

Answer 36

Occurs after a pollen grain lands on a stigma of a flower it is the process witch male and female parts of a plant join to produce a seed

Question 37

What organisms are considered to be pollinators

Answer 37

Species of bird insect and bats can be pollinators

Question 38

What are the three types of vegetative reproduction

Answer 38

Runners, rhizomes and suckers

Question 39

What are the difference between cutting and graphing

Answer 39

Cutting is small pieces of a plant that usually have a part of the stem a few leaves graphing is attaching a part of one plant to another

Question 40

Give an example of food

Answer 40

Fruits and vegetables

Question 41

Give an example of fibre

Answer 41

Wooden house frame and plywood cloth for clothing and paper products

Question 42

Give an example of Medicine

Answer 42

Tea made from white spruce and hemlock was used to cure scurvy

Question 43

aesthetics

Answer 43

the pleasing appearance or effect that an object has, (not all structures need to be aesthetically pleasing)

Question 44

beam bridge

Answer 44

the most common bridge used, is flat, and supported at 2 ends. a longer beam bridge may be supported by other stuff

Question 45

arch bridge

Answer 45

designed to with stand heavy loads. the dynamic loads of people cause pieces of wood or stone in arch to push against the pieces.

Question 46

truss bridge

Answer 46

light weight, but strong, made of trusses (triangle) along its sides.

Question 47

suspension bridge

Answer 47

hangs between two ends that holds it up, modern one has tall towers on ends that supports main cables. those cables are anchored in concrete, smaller cables support roadway

Question 48

performance requirements

Answer 48

conditions that a structure must meet. performance requirements also apply to many other aspects of a structure like safety, effectiveness, and purpose

Question 49

what do you have to verify in a structure

Answer 49

the climate, culture, tradition, tech, economics

Question 50

what is deformation

Answer 50

change of shape in a structure or any structural component, because the material is unable to resist the load acting on it.