unit 10 lesson 3

Question 1

commensalism

Answer 1

a relationship in which one species benefits from another species and that species is neither harmed nor helped

Question 2

competition

Answer 2

an interaction in which different species attempt to use the same resource

Question 3

mutualism

Answer 3

a close relationship in which two different species provide a benefit to each other

Question 4

parasite

Answer 4

an organism that lives in or on another organism and feeds off that organism

Question 5

parasitism

Answer 5

the relationship between a parasite and its host

Question 6

predation

Answer 6

a relationship in which one organism eats another organism

Question 7

symbiosis

Answer 7

a relationship in which two organisms live in close association with each other

Question 8

Indirect Competition

Answer 8

One species of insect might eat a plant during the day, while another species eats the plant at night. Plants that flower at the same time might compete for pollinators. Insects that eat food crops are in direct competition with humans, who will also eventually eat the food crop.