0
Best Answer
internal. They develop inside the womb
Wiki User
∙ 12y agoThis answer is:
Add your answer:
Earn +20 ptsQ: Do mammals have internal or external development?
Write your answer...
Submit
Still have questions?
Related questions
Are mammals internal or external development?
Mammals have internal gestation with viviparous birth.
Do cheetah have internal or external development?
Cheetahs are placental mammals, so they have internal fertilization and internal development within the uterus of the female.
Is bearded dragons development internal or external?
its internal
What animal group has internal fertilisation but external development?
Reptiles and birds are among the major groups of vertebrates that have internal fertilization and external development. Also included are monotremes and marsupials.
Is a polarbear external or internal reproduction?
polar bears are internal because they are mammals and all mammals are internal.
Do platypus external or internal fertilization?
Internal - they're mammals.
Do Oppossums have external or internal fertilization?
Opossums are marsupial mammals - they have internal fertilization as all mammals do.
Do donkeys have internal or external development?
internal
Does mammals have internal or external fertilization?
Intertnal --
Is a clown fish internal or external development?
External
What are examples of internal development?
mammals
Is the starfish external or internal development?
you
Copyright ©2024 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.