Lesson 2 Test - Interactions Within Ecosystems

A relationship between two organisms where one benefits while the other is harmed is known as what?

• Decomposition
• Consummerism
• Mutualism
• Parasitism

Barnacles sometimes live on the outside surface of other larger shelled organisms without causing any harm. What is the ecological relationship?

• Mutualism
• Parasitism
• Commensalism
• Predator-Prey

A clownfish uses a sea anenome as a safe place to live. While living there, the clownfish lures in food for the anenome. This is an example of what type of relationship?

• Predator-Prey
• Commensalism
• Mutualism
• Parasitism

Lions and hyenas live in close proximity and eat the same types of foods. What is the ecological relationship?

• Mutualism

• Commensalism

• Parasitism

• Competition

Tags

NGSS.MS-LS2-1

A frog eats a fly. The frog and fly are demonstrating a ________ relationship.

• mutualism

• competition

• predator/prey

• parasitism

Tags

NGSS.MS-LS2-3

A relationship that describe a close interaction between two different species is known as what?

• Biodiversity
• Symbiosis
• Predation
• Emigration

Tags

NGSS.MS-LS2-2

Which of the following is NOT considered to be a symbiotic relationship?

• A mother bear caring for her cub
• Worms living in a cow’s intestine
• A bacterial infection
• A viral attack on your immune system

Tags

NGSS.MS-LS2-2

Samantha plants some flowers in a flower bed and then ignores them. Soon weeds grow and the flowers die. The weeds had been able to get enough resources to survive, while the flowers had not. This is an example of _____.

• competition

• population size

• habitat

• community

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Some populations have cooperative relationships. This is where _____.

• members of the same species compete for resources

• members of different species compete for resources

• members of the same species work together for survival

• members of different species work together for survival

Tags

NGSS.MS-LS2-2

Which TWO of the following symbiotic relationships will cause no harm?

• Parasitism

• Predator-prey

• Commensalism

• Cooperative

• Mutualism