Biology Review

Convert 5 cm to mm:

• 5,000mm
• 0.5 mm
• 0.05 mm
• 50 mm

Which unit is the smallest?  

• km
• mm
• m
• cm 

Is 20 g greater than, less than, or equal to 2 kg?

• greater than
• less than
• equal to

Yucca flowers are pollinated by yucca moths.  The moths lay their eggs in the flowers and the eggs hatch. The larvae eat some of the seeds, and  spread them around.  Both species are benefited.

• mutualism
• commensalism
• parasitism
• competition

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

• mutualism
• commensalism
• parasitism
• competition

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.

• mutualism
• parasitsm
• commensalism
• competition

In this food web, the snake and the mouse have this relationship

• mutualism
• commensalism
• predation
• parasitsm

Which cycle is shown in this diagram?

• Nitrogen

• Carbon

• Phosphorus

• Water

• Oxygen

Which cycle is shown in this diagram?

• Nitrogen

• Carbon

• Phosphorus

• Water

• Oxygen

Which cycle is shown in this diagram?

• Nitrogen

• Carbon

• Phosphorus

• Water

• Oxygen