two number:- unit D: matter and energy in the biosphere -eastglen-sciebce

Question 1

What is Photosynthsis?

Answer 1

A proces that transforms carbon dioxide and water into oxygen and glucose.

Question 2

What is Energy?

Answer 2

The ability to do words.

Question 3

What is cellular Respiration?

Answer 3

Uses glucose and oxygen to produ carbon dioxide, water and energy within a cell.

Question 4

What is Starch?

Answer 4

Excess glucose stored in plants.

Question 5

What is Ecosystem?

Answer 5

A group of living things and the environnent they they live in.

Question 6

What is Food Chain?

Answer 6

How energy matter transfers through an ecosystem by feeding.

Question 7

What is Producer?

Answer 7

Organisms at th bottom of the food Chain, Produce own food.

Question 8

What is Consumer?

Answer 8

Organisms that either eat produers or consumers.

Question 9

What is Decmposer?

Answer 9

Eats the waste products of an ecosystem.

Question 10

What is Food Web?

Answer 10

Better model of food chain, shows multiple levels of feeding.

Question 11

What is Primary Consumer?

Answer 11

Eats plants only.

Question 12

Whis is Secondary Consumer?

Answer 12

Eats animals that eat plants.

Question 13

What is Tertiary Consumer?

Answer 13

Eats animals that eat other animals.

Question 14

What is Energy Transfers?

Answer 14

Organisms in a food chain can be represented by an ecological pyramid.

Question 15

What is Ecological Pyramid?

Answer 15

A model that shows the nuber of organisms and the amout of energy available at each level.

Question 16

What is Water Cycle?

Answer 16

The re-use or cycling of water in nature.

Question 17

What is Carbon Oxygen Cycle?

Answer 17

The re-use or cycling of oxygen and carbom in nature through photosdntesis and cellular respirtion.

Question 18

What is Nitrogen Cycle?

Answer 18

The re-use or cycling of nitrogen in nature throungh food chains and decomposition.

Question 19

What is Compost?

Answer 19

A mixture decomposing plants and soil.

Question 20

What is Population?

Answer 20

The group of individuals of the same species living togeter in the same place at the same time.

Question 21

What is Birth Rate?

Answer 21

The number of young produced by a population over a period of time.

Question 22

What is Death Rate?

Answer 22

The number of individuals that die during a
specified time.

Question 23

What is Immigration?

Answer 23

The number of organisms coming to an area.

Question 24

What is Emigration?

Answer 24

The departure of organisms from a certain area.

Question 25

Waht is Limiting Factors?

Answer 25

The factors that limit the number of organisms an environment can support

Question 26

What is Abiotic Limiting Factors?

Answer 26

Non-living factors that limit the number of organisms an environment can hold.

Question 27

What is Predation?

Answer 27

The killing and eating of one animal by another.

Question 28

What is Parasitism?

Answer 28

The relationship between host and parasite.

Question 29

What is Competition?

Answer 29

The competition among organisms for resources such as food, shelter, light and water.

Question 30

What is Host?

Answer 30

Any organism that has a parasite.

Question 31

What is Reproduction Rate?

Answer 31

The rate at which a pair of organisms can reproduce.

Question 32

What is Exotic Species?

Answer 32

Any species that does not naturally occur in an ecosystem.

Question 33

What is Ecosystem:

Answer 33

The sum of a community of living things and the environment in which they live.

Question 34

What is Biotic Community?

Answer 34

All the livingcomponents of an ecosystem.

Question 35

What is Abiotic Community?

Answer 35

All the non-living components of an ecosystem.

Question 36

What is Climae?

Answer 36

average weather conditions based on long term records.

Question 37

What is Topography?

Answer 37

The physical features in an area.

Question 38

What is Altitude?

Answer 38

The measure of height above sea-level.

Question 39

What is Latitude?

Answer 39

The measure in degrees north or south of the equator.

Question 40

What is Soil?

Answer 40

Thin layer of rock fragments and decomposed plant matter that covers the land.

Question 41

What is Clay?

Answer 41

The smallest particles that make up soil; form a flexible mass when wet.

Question 42

What is Silt?

Answer 42

Tiny rock particles found in soil; these particles are larger that clay but smaller than sand.

Question 43

What is Sand?

Answer 43

Grain-sized pieces of rock found in soil.

Question 44

What is Gravel?

Answer 44

The largest particles found in soil; small stones.

Question 45

What is Humus?

Answer 45

The part of soil consisting of broken down plantfibres, soil particles, and decayed organisms.

Question 46

What is Soil Crumbs?:

Answer 46

Particles of humus that have formed clumps.

Question 47

What is Leaching?

Answer 47

The washing out of materials by water running through soil.

Question 48

What is Biome?

Answer 48

A large geographic area containing distinct plants and animals.

Question 49

What is Diversity?

Answer 49

See biodiversity.

Question 50

What is Biodiversity?

Answer 50

A description of the variety of living things in an area.

Question 51

What is Extinction?

Answer 51

The elimination of a species from earth.

Question 52

What is Habitat?

Answer 52

An organism’s shelter and food.

Question 53

What is Species at Risk?

Answer 53

Pants and animals close to becoming extinct.