6.4.2

Strep throat is an infection, caused by bacteria called Streptococcus pyogene, that causes a sore throat. These bacteria have no nucleus and their DNA floats in the cell. Which of these could ascientist use to describe Streptococcus bacteria?

• Eukaryotic

• Prokaryotic

• Abiotic

• Multicellular

According to the data table, rose bushes are classified in which group?

• Group 1

• Group 2

• Group 3

• Group 4

Tags

NGSS.MS-LS1-1

Pseudoscorpions often hitch rides on the backs of large beetles or true bugs. What is the ecological relationship?

• Mutualism

• Commensalism

• Parasitism

• Cooperation

Tags

NGSS.MS-LS2-2

What is the ecological relationship shown in this image of a robberfly and beetle?

• Cooperation

• Parasitism

• Predation

• Competition

A feeder fish usually follows behind sharks to pick up food scraps that they leave behind. The fish gets food and the shark is unaffected. This is an example of:

• Mutualism

• Commensalism

• Parasitism

• Decomposition

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

• Decomposition

• Consummerism

• Mutualism

• Parasitism

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?

• Predation

• Commensalism

• Mutualism

• Parasitism

Tags

NGSS.MS-LS2-2

A mosquito feeds off of the blood of different organisms. This usually causes discomfort to the organism and sometimes disease and death. This is an example of:

• Parasitism

• Decomposition

• Commensalism

• Mutualism

What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

• commensalism

• mutualism

• parasitism

• predation

A bird builds a nest in a tree and the tree is neither helped nor harmed. What is this type of relationship?

• commensalism

• predation

• mutualism

• parasitism