Review of Unit 6, Lessons 1 & 2

Front

A tick and a dog have this type of relationship.

Back

parasitism

Front

Cattle egrets forage in fields among cattle, gaining easy access to food while the cattle remain unaffected. What type of relationship is this? Options: mutualism, commensalism, competition, parasitism

Back

commensalism

Front

a relationship that occurs when two or more organisms of the same species need the same resource at the same time

Back

competition

Front

The close relationship between two different species in an ecosystem

Back

Symbiosis

Front

When a mosquito bites you, you are the __________ and the mosquito is the __________.

Back

host, parasite

Front

A frog eats a fly. The frog and fly are demonstrating ________. Options: mutualism, competition, predator/prey, parasitism

Back

predator/prey

Front

Mistletoe takes water and nutrients from the oak tree. This is good for the mistletoe but bad for the tree.

Back

parasitism

Front

A bison walks through the grass, insects fly up and are seen and eaten by egrets.  This neither harms nor helps the bison, but it is easier for the egrets to get food. Options: mutualism, parasitism, commensalism, competition

Back

commensalism

Front

In this food web, the lizard and the hawk have this relationship: mutualism, commensalism, predation, parasitism.

Back

predation

Front

In this food web, the grasshopper and the mouse have this relationship: mutualism, commensalism, competition, predation

Back

competition