32. Vertebrates

Aminotes

Mammalian Reproduction

 None of the listed responses is correct. 

 No. One of the choices is a group of archosaurs. 

Dinosaurs are archosaurs.

Which of the following is an archosaur group?

HHMI BioInteractive: The Origin of Birds

The Synapsida and the Evolution of Mammals

Evolution of birds and their unique features

What two major lineages make up the living Amniota?

Placental Mammals

The Amniotic Egg

 No. An operculum is a bony flap that protects the gills of bony fish. 

 No. Vertebrates had radiated into terrestrial, aquatic, and aerial habitats prior to the evolution of the placenta. 

 No. This is a sensory structure characteristic of many aquatic vertebrates. 

 No. Bony appendages are a shared primitive character also found in amphibians and some bony fish. 

How is the reproduction of birds different from that of frogs?

The adaptation that freed vertebrates from water for reproduction and allowed them to radiate into diverse terrestrial environments was the __________.

How well do you know our Monotremes?

Ep 1: Introduction to the Platypus

Birds and Synapsids

Marsupials and Placental Mammals

Amniotic Egg 2020

An Introduction to the amniotes

Monotremes-egg laying mammals

Eutherian Mammals (Zoology 5/4/2020)

Lecture 61 The Origin of Flight in Birds

Some mammals lay eggs! Intro to Mammals

Types of Mammals

 No. Birds and reptiles do lay amniotic eggs. 

 No. Birds and reptiles do have a bony vertebral column. 

 No. Both of these groups do have keratinized scales; in birds they have differentiated into feathers. 

 No. This is a diagnostic feature of the chordates. 

Consider how a bird differs from a snake.

Which of the following characteristics is not shared by extant birds and extant reptiles?

Amniotic Egg

Mammals and Monotremes

 No. In placental mammals, embryonic development is completed within the uterus; this is not true for opossums. 

 No. Eutherians are placental mammals. In placental mammals, embryonic development is completed within the uterus; this is not true for opossums. 

Opossums have pouches.

The opossum is an example of a(n) __________ mammal.

Which statement is true about endothermy in mammals and birds?
a. They both inherited this trait from a common ancestor.
b. Birds are more closely related to mammals than to reptiles.
c. Endothermy arose independently in these two lineages.
d. Birds are reptiles and all reptiles are ectothermic.

How Marsupials Are Different From Other Mammals (4K)

5-  Synapsida

Diversity of life (9), selected placental mammal orders, monotremes, and marsupials

Vertebrates 7- Amniotic egg

 complete their embryonic development in the uterus 

 All of the specific listed responses are correct. 

 No. Only one of the choices is correct. 

 None of the specific listed responses is correct. 

 No. One of the other choices is correct. 

 nourish their offspring through mammary glands 

Think about the many ways mammals reproduce.

All mammals __________.

The three different ways mammals give birth - Kate Slabosky

Unlike eutherians, both monotremes and marsupials
a. lack nipples.
b. have some embryonic development outside the uterus.
c. lay eggs.
d. are found in Australia and Africa.

amniote diversity 1: anapsids, synapsids

Short Video: Soaring Hawk

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General Biology

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1. Introduction to Biology

2. Chemistry

3. Water

4. Biomolecules

5. Cell Components

6. The Membrane

7. Energy and Metabolism

8. Respiration

9. Photosynthesis

10. Cell Signaling

11. Cell Division

12. Meiosis

13. Mendelian Genetics

14. DNA Synthesis

15. Gene Expression

16. Regulation of Expression

17. Viruses

18. Biotechnology

19. Genomics

20. Development

21. Evolution by Natural Selection

22. Evolution of Populations

23. Speciation

24. History of Life on Earth

25. Phylogeny

26. Prokaryotes

27. Protists

28. Plants

29. Fungi

30. Overview of Animals

31. Invertebrates

33. Plant Anatomy

34. Vascular Plant Transport

35. Soil

36. Plant Reproduction

37. Plant Sensation and Response

38. Animal Form and Function

39. Digestive System

40. Circulatory System

41. Immune System

42. Osmoregulation and Excretion

43. Endocrine System

44. Animal Reproduction

45. Nervous System

46. Sensory Systems

47. Muscle Systems

48. Ecology

49. Animal Behavior

50. Population Ecology

51. Community Ecology

52. Ecosystems

53. Conservation Biology

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Chordates

Primates and Homonids

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