Rats and Their Impact

How are urban rats different now compared to rats in the past?

• They are smaller in size.

• They have developed resistance to common poisons.

• They have become herbivores.

• They no longer live in urban areas.

Tags

NGSS.MS-LS4-4

How was a resistance to poison developed

• Rats grew used to the poison

• The poison used was not strong

• Some rats had a mutation making them poison resistant

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

How are urban and nonurban junco populations different?

• Urban juncos are more colorful.

• Urban juncos are bolder.

• Nonurban juncos sing louder.

• Nonurban juncos are larger.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What behavior did researchers find interesting in city birds?

• Singing patterns

• Nesting habits

• Boldness differences

• Migration routes

What is the main focus of the case study of the juncos

• Junco migration patterns

• Differences in junco populations

• Junco diet variations

• Junco nesting sites

Hawksbeard had what two types of seeds (choose all that apply)

• feathery

• flowery

• non feathery

• Bushell

Which location showed a greater flight initiation distance in Juncos according to the chart?

• San Diego

• Mt Laguna

• Both were equal

• Neither location was measured

Which location had the highest proportion of seeds without feathery tufts?

• Urban

• Non-urban