Bio AOS 2

Question 1

Collaboration

Answer 1

the action of working with someone to produce something.

Question 2

Intraspecific

Answer 2

produced, occurring, or existing within a species or between individuals of a single species.

Question 3

Interspecific

Answer 3

existing or occurring between different species

Question 4

Predator

Answer 4

An animal that actively seeks out other animals as it’s source of food

Question 5

Prey

Answer 5

Living animal that is captured and eaten by a predator

Question 6

Symbiosis

Answer 6

Prolonged association between different species in a community in which at least one partner benefits. Includes parsitism, mutualism and commensalism

Question 7

Competition

Answer 7

interaction between animal or plant species, or individual organisms, that are attempting to gain a share of a limited environmental resource.

Question 8

Parasitism

Answer 8

Relationship in which one organism benefits at the expense of its host

Question 9

Mutualism

Answer 9

Both species benefit

Question 10

Bioaccumulation

Answer 10

Refers to the increasing accumulation of a non-biodegradable substance in organisms at higher trophic levels in an ecosystem

Question 11

Aquatic biome

Answer 11

Lakes, oceans, rocky shores

Question 12

Terrestrial biomes

Answer 12

Rainforests, deserts, grassland

Question 13

Biodiversity

Answer 13

A variety of living things such as plants, animals and micro-organisms

Question 14

Habitat

Answer 14

Where an organism loves, feeds and reproduces at any given time

Question 15

Population

Answer 15

The number of a species living in a particular area

Question 16

Producers/autotrophs

Answer 16

Manufacture organic compounds such as glucose, from simple inorganic compounds, such as carbon dioxide and water using photosynthesis

Question 17

Equation for photosynthesis

Answer 17

6CO2+ 12H20———> C6H12O6+6O2+6H20

Question 18

Ecosystem

Answer 18

Habitat+Community

Question 19

Community

Answer 19

Biological unit consisting of all the populations living in a specific area at a specific time

Question 20

Carrying capacity

Answer 20

Stabilised size reached by a given population of a given habitat

Question 21

Abundance

Answer 21

Number of individuals of a a given species per unit area

Question 22

Environment

Answer 22

The external surroundings in which and organism lives in and are influenced by biotic and abiotic factors

Question 23

Species

Answer 23

Taxonomic unit consisting or organisms capable of mating and producing viable and fertile offspring

Question 24

Niche

Answer 24

The role of an organism in an environment

Question 25

Biotic

Answer 25

Living things, e.g. Plants, animals, micro-organisms

Question 26

Abiotic

Answer 26

Non living things, e.g. Rocks, climate, sunlight

Question 27

Food webs/food chain

Answer 27

Provides information about the flow of energy in an ecosystem

Question 28

Pyramids

Answer 28

Shows the number of organisms at each trophic level

Question 29

Herbivores

Answer 29

Eat plants, e.g. Cows and wallabies

Question 30

Carnivores

Answer 30

Eat animals, e.g. Snakes and lions

Question 31

Omnivores

Answer 31

Eat plants and animals, e.g. Humans and ravens

Question 32

Detrivores

Answer 32

Eat decomposing organic matter, e.g. Earthworms and dung beetles

Question 33

Desomposers

Answer 33

Chemically break down dead organic matter, e.g. Earthworms and bacteria

Question 34

Pyramid of biomass

Answer 34

Represents the total amount of dry organic matter present in organisms at each trophic level at a given time.

Question 35

Pyramid of numbers

Answer 35

Represents the number of organisms at each trophic level

Question 36

Pyramid of energy

Answer 36

Shows the amount of energy input to each trophic level in a given area for an extended period of time.

Question 37

Biological control methods

Answer 37

A method of controlling pests using other living organisms, e.g. Cane toads being introduced to get rid of cane beetles

Question 38

Mutualism

Answer 38

Where both organisms benefit, e.g. Bees pollinate in plants

Question 39

Parasitism

Answer 39

Where one species benefits at the expense of the host, e.g. A tick drawing blood from a deer

Question 40

Commensalism

Answer 40

Relationship where one species benefits and the other doesn’t gain anything nor is harmed, e.g. Clown fish and sea anemones

Question 41

Competition

Answer 41

Species fighting over supplies, e.g. Hyenas and lions both try to eat the same prey

Question 42

Chemical equation for respiration

Answer 42

C6H12O6+602+6H2O——->6CO2+12H2O+25ATP

Question 43

Endemic

Answer 43

Those that are native to an area

Question 44

Exotic

Answer 44

an introduced species

Question 45

Indicator

Answer 45

A species that indicates the health of an ecosystem

Question 46

Keystone

Answer 46

A species that is critical to the survival of an ecosystem because so many other species depend on it

Question 47

Scavengers

Answer 47

Feed on dead remains of other animals