Question

part a
read the sentence from paragraph 16 of \here there be jaguars\ in the box.
corridors allow jaguars and other wildlife to move from habitat patch to
habitat patch in search of resources like food, water, and mates.
what is the purpose of the commas in the sentence?
a to separate items in a series
b to set off an introductory clause
c to introduce the definitions of terms
d to indicate less important information

part b
which sentence from \creature close-up\ uses commas for the same purpose
as the answer to part a?
a \many animals face threats to their survival, such as shrinking habitats
and climate change.\ (paragraph 3)
b \around the world, people are cutting down forests where animals live,
says pimm.\ (paragraph 7)
c \he uses paint, fabric, or paper to create a plain white or black backdrop
for each portrait.\ (paragraph 11)
d \sartore also recommends supporting your local zoo, which works to
protect endangered species.\ (paragraph 16)

Explanation:

Part A

In the sentence "Corridors allow jaguars and other wildlife to move from habitat patch to habitat patch in search of resources like food, water, and mates," the commas are used to separate the items "food," "water," and "mates" which are in a series. Option B is incorrect as there's no introductory clause. Option C is incorrect as commas aren't introducing definitions. Option D is incorrect as the information isn't less important. So the purpose is to separate items in a series.

From Part A, we know the purpose of commas is to separate items in a series. Now check each option:

• Option A: The comma is used to set off "such as..." which is not separating a series.
• Option B: The commas are used to set off introductory phrases, not a series.
• Option C: In "He uses paint, fabric, or paper...", commas separate "paint," "fabric," "paper" which is a series, same as Part A.
• Option D: The comma is used to introduce a relative clause, not a series.

Answer:

A. to separate items in a series

Part B