/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 2 Use the following terms in the s... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 43: Problem 2

Use the following terms in the same sentence: mammals, synapsids, therapsids, and endothermy.

Short Answer

Expert verified
Mammals, known for their endothermy, evolved from therapsids, which were a subgroup of synapsids.

Step by step solution

01

Understand the Terms

Before constructing a sentence, we need to understand the definitions. - **Mammals** are warm-blooded vertebrates with hair or fur, most of which give live birth and produce milk for their young. - **Synapsids** are a group of animals that includes mammals and their extinct relatives, characterized by one opening in the skull behind the eyes. - **Therapsids** are a subgroup of synapsids that gave rise to mammals, possessing a more advanced jaw and tooth structure. - **Endothermy** refers to the ability of an organism to maintain its body temperature through metabolic activity, a characteristic common in birds and mammals.
02

Identify Connections Between Terms

Next, identify the relationships between the terms: - Synapsids are a broader group that includes both therapsids and mammals. - Therapsids evolved into mammals. - Mammals are known for having **endothermy**, which helps them regulate their body temperature.
03

Construct the Sentence

Using the understanding and connections established, construct a sentence that combines all terms: "Mammals, known for their endothermy, evolved from therapsids, which were a subgroup of synapsids."

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Synapsids
The term "Synapsids" refers to a group of animals known for a distinct opening in the skull behind the eyes. This skull feature helps differentiate synapsids from other vertebrate groups. Synapsids are crucial to understanding the evolution of mammals. Here鈥檚 why:
  • Synapsids are considered the ancestors of mammals, meaning all mammals, including humans, share a common ancestry with this group.
  • Originally, synapsids looked quite different from modern mammals, with features more reptilian in nature.
  • Over time, synapsids developed traits that would eventually lead to the emergence of mammals.
Despite their ancient origins, synapsids provide a direct link in the evolutionary chain that helps scientists chart the rise of mammals from early reptilian forebears.
Therapsids
Among synapsids is a more specialized group known as "Therapsids." Therapsids are particularly important because they are the direct ancestors of mammals. They featured a number of evolutionary advancements that distinguished them from other synapsids.
  • Therapsids had a more complex jaw structure and differentiated teeth, which paved the way for more advanced feeding strategies in mammals.
  • The evolutionary timeline of therapsids shows gradual changes such as more upright limb postures and changes in skull structure.
  • These adaptations allowed therapsids to improve survival, facilitating a transition towards modern mammalian characteristics.
Overall, therapsids are a key evolutionary step that bridges the gap between early synapsids and the mammals we see today, including their advanced physiological traits.
Endothermy
"Endothermy" refers to the ability of an organism to regulate its body temperature through internal mechanisms, primarily metabolic heat production. This is a defining feature of mammals and plays a significant role in their survival.
  • Endothermic animals, such as mammals and birds, can maintain a stable internal temperature, allowing them to inhabit diverse environments.
  • For mammals, endothermy means they have an internal furnace that keeps their body temperature steady, regardless of the outside climate.
  • This trait provides a significant evolutionary advantage as it enables mammals to sustain activity and metabolism even in cold conditions.
Understanding endothermy helps explain why mammals can be found in a variety of habitats, from icy polar regions to hot deserts, showcasing their adaptability and resilience in the face of environmental challenges.

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Compare the costs and benefits of endothermy for mammals.

In a famous study conducted 200 years ago, the Italian scientist Lazzaro Spallanzani showed that a blinded bat could still fly and capture insects. However, a bat whose ears had been plugged with wax could neither fly nor hunt. Explain these results.

Analyzing Processes Some kinds of mice give birth about 21 days after mating. Why might this characteristic make mice ideal laboratory animals for experiments dealing with mammalian development and heredity?

Relate the evolution of mammals to the mass extinction of Cretaceous reptiles.

Describe the distinguishing characteristics of primates.
See all solutions

Recommended explanations on Biology Textbooks

Cell Cycle

Read Explanation

Energy Transfers

Read Explanation

Control of Gene Expression

Read Explanation

Cells

Read Explanation

Microbiology

Read Explanation

Cell Communication

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.