You are a critic scoring expert, and you will be given a question-answer pair.  Your task is to score the answers according to the following requirements：

a. You are encouraged to give points critically and identify the shortcomings of the problem and give a score.
b. You should rate the answer on 3 aspects:
1. accuracy: whether the answer correctly answers the question.
2. coherence: assess the structure and logic of the answer
3. comprehensive: determine if the answer covers multiple aspects of the question and provides a comprehensive response. 
**Each for 1 point.**
c. Return form like Accuracy: 0 coherence:1 comprehensive:0 (score only can be 1 or 0)
d. Please make sure you read and understand these instructions carefully. Please keep this document open while reviewing, and refer to it as needed.

Question:     How do animal behaviors and social structures vary across different species and environments, and what are the evolutionary and ecological explanations for these differences?
Answer:  Animal behaviors and social structures vary greatly across different species and environments. For example, some animals are solitary while others live in large groups, some are active during the day while others are active at night, and some are territorial while others are not. These differences can be explained by a combination of evolutionary and ecological factors.\n\nEvolutionary factors refer to the genetic and biological changes that occur over time in a species. For example, some animals may have evolved to be solitary because it increases their chances of survival and reproduction. Other animals may have evolved to live in groups because it provides protection from predators and increases their chances of finding food.\n\nEcological factors refer to the environmental conditions that influence animal behavior and social structures. For example, animals living in harsh environments with limited resources may be more territorial and aggressive in order to protect their resources. Animals living in more abundant environments may be more social and cooperative because there is less competition for resources.\n\nOverall, animal behaviors and social structures are shaped by a complex interplay of evolutionary and ecological factors. Understanding these factors can help us better understand and appreciate the diversity of life on Earth.