8th Grade Vocab List 1

Question 1

the study of how organisms interact with one another and w/ their physical environment

Answer 1

ecology

Question 2

living things w/in a ecosystem

Answer 2

biotic

Question 3

non-living factors w/in a ecosystem

Answer 3

abiotic

Question 4

a group of organisms of the same species living an breeding

Answer 4

population

Question 5

a group of 2 or more species that live in a particular area

Answer 5

community

Question 6

a group of living organisms that live in and interact w/ each other in a specific environment

Answer 6

ecosystem

Question 7

an narrow zone of the earth where land, water and air interact to support life

Answer 7

biosphere

Question 8

an organism that only eats plants

Answer 8

herbi vore

Question 9

an organism that eats both plants and animals

Answer 9

omni vore

Question 10

animals that feed only on meat from others

Answer 10

carni vore

Question 11

a living organism that produces its own food thru photosynthesis

Answer 11

producer

Question 12

a living organism that consumes other organisms for energy

Answer 12

consumer

Question 13

a living thing that breaks down dead plants, animals, or waste

Answer 13

decomposer

Question 14

the greatest amount of organisms a pop. can handle due to limiting factors

Answer 14

carrying capacity

Question 15

thing you change

Answer 15

IV

Question 16

thing you measure

Answer 16

DV

Question 17

an animal that is being hunted down by others for food

Answer 17

prey

Question 18

an animal that kills and eats other animals for food

Answer 18

predator

Question 19

an interaction between 2 different organisms that share the same habitat

Answer 19

symbiosis

Question 20

a type of relationship between a host and a symbiont, where both organisms benefit and no one is harmed

Answer 20

mutualism

Question 21

a type of relationship between organisms of two species in which one obtains food or other benefits whilst not harming the other (our food)

Answer 21

commensalism (communism)

Question 22

a type of relationship between different species in which on organism lives in or on the other and benefits from it causing harm

Answer 22

parasitism

Question 23

the concentration of dissolved salt in a given volume of water

Answer 23

salinity

Question 24

loose materials that results from disintegration (dead decaying material)

Answer 24

detrius

Question 25

anything that constraints a pop.’s size and slows or stops its growth

Answer 25

limiting factors