Ch6 ecological relationships and population dynamics

Question 1

population

Answer 1

is the number of particular species in a particular ecosystem

Question 2

competition

Answer 2

when two or more organisms fight for a resouce that is in short supply

Question 3

contest competition

Answer 3

an active physical confrontation between two organisms in which only one wins the resource

Question 4

scramble competition

Answer 4

is a struggle between organisms for a scarce resource in which each organism gets some of the resource

Question 5

predation

Answer 5

is the act of hunting, killing and eating prey

Question 6

predator

Answer 6

the organism that hunts, kills and eats its prey

Question 7

prey

Answer 7

the organism that is eaten by the predator

Question 8

symbiosis

Answer 8

can be defined as a close relationship between two organisms of different species in which at leat one of them benefits

Question 9

parasitism

Answer 9

is a relationship between two organisms of different species living together where one benefits and does harm to the other