A

1. a -----statement that helps to explain or justify a point of view, or ----
claim
reason
fact
topic
2. Authors of informational text usually write to convey a central idea or a ----- about a specific topic. They then develop and refine those reasons with details, examples, and other kinds of -----
Speculation
Fact
Claim
Evidence
3. What main claim does the author make in the passage?
A. Butterfly populations are declining.
B. People dislike having to clean their windshields.
C. Some butterfly populations are stable.
D. A study about butterflies was recently published.
4. Which idea introduced in paragraph 1 gets developed in paragraph 2?
A. The decrease in bug splatters is cause for concern.
B. Bug splatters are caused by moving vehicles hitting insects.
C. The author received an odd birthday present as a child.
D. People get annoyed when bugs splatter on their windshields.

1. claim

2. central idea, evidence
3. A. Butterfly populations are declining.
4. A. The decrease in bug splatters is cause for concern.

1. The word that helps to explain or justify a point of view is "reason".

2. The central idea that authors of informational text usually write to convey is a "claim". They then develop and refine those reasons with "evidence".
3. The main claim that the author makes in the passage is option A: "Butterfly populations are declining."
4. The idea introduced in paragraph 1 that gets developed in paragraph 2 is option A: "The decrease in bug splatters is cause for concern."