The diagram illustrates a simplified evolutionary tree (phylogenetic tree) showing the relationship between different groups of reptiles and birds, highlighting when eggs and chickens first appeared. Here’s a breakdown: 1. Eggs Already Existed: The arrow pointing to “Eggs already existed here” refers to the fact that egg-laying as a reproductive strategy originated long before chickens appeared. The amniotic egg, which has a protective shell, evolved in the common ancestor of reptiles and birds,
0:06
FacebookScience Is Fun For Everyone
The diagram illustrates a simplified evolutionary tree (phylogenetic tree) showing the relationship between different groups of reptiles and birds, highlighting when eggs and
Science Is Fun For Everyone. . The diagram illustrates a simplified evolutionary tree (phylogenetic tree) showing the relationship between different groups of reptiles and birds, highlighting when eggs and chickens first appeared. Here’s a breakdown: 1. Eggs Already Existed: The arrow pointing to “Eggs already existed here” refers to the ...
已浏览 1479 次5 个月之前
Reptile Pets
What is a Reptile? Are Snakes Reptiles? | Types of Reptiles
What is a Reptile? Are Snakes Reptiles? | Types of Reptiles
twinkl.co.za
2018年4月11日
Top 5 Low-Maintenance Reptile Pets for Beginners and Kids: Your Perfect Scaly Companion Awaits!
7:36
Top 5 Low-Maintenance Reptile Pets for Beginners and Kids: Your Perfect Scaly Companion Awaits!
Microsoft NewsAnimal Facts
已浏览 10 次2023年8月18日
Reptile Gardens - Are you ready for an adventure that’s...
0:31
Reptile Gardens - Are you ready for an adventure that’s...
FacebookReptile Gardens
已浏览 2376 次2023年6月12日
热门视频
Evolutionary Tree Simulator by foginix
Evolutionary Tree Simulator by foginix
itch.io
3 个月之前
Evolutionary Tree of Life Poster - Etsy
0:44
Evolutionary Tree of Life Poster - Etsy
etsy.com
已浏览 20 次2 个月之前
figure walkthrough an evolutionary tree of tetrapods pan a the figure shows an evolutionary tree of tetrapods iour limbed animals drag the labels their appropriate locations on the figure bl 76893
figure walkthrough an evolutionary tree of tetrapods pan a the figure shows an evolutionary tree of tetrapods iour limbed animals drag the labels their appropriate locations on the figure bl 76893
numerade.com
3 个月之前
Reptile Facts
50 Fun Reptile Facts Your Kids Will Love
50 Fun Reptile Facts Your Kids Will Love
differentbydesignlearning.com
2022年1月28日
19 Facts About Reptiles You Most Likely Didn't Know - Everything Reptiles
4:28
19 Facts About Reptiles You Most Likely Didn't Know - Everything Reptiles
everythingreptiles.com
已浏览 5.9万 次2022年8月12日
10 Stunning Reptile Facts You Must Read!
10 Stunning Reptile Facts You Must Read!
a-z-animals.com
2020年10月21日
反馈