5/27 & 5/28- 7th Grade Agenda Learning Objective: Learn about Mammals & Family Life Collect HW: Homework: Reading & Notetaking p. 239 – 242 Video: New born Kangaroo Family Life Lesson #2 Textbook Reading 490-517 HW: Reading & Notetaking p.243 – 246 Reminder: Chap 12 Test on 5/29 & 5/30 Reminder: Last day to turn in late work is 6/4
Reflection Prompt: Write 3 Questions that you have about mammals.
Characteristics of Mammals endothermic vertebrates four-chambered heart skin covered with fur or hair. Most mammals are born alive young mammal is fed with milk
Do Dolphins have hair? Yes. Near their blow holes Most of the hair disappear when they get older
What are the function of hair and fur? Fur and hair prevent body heat from escaping Helps maintain a stable body temperature in cold weather Animals in cold regions have thicker coats of fur
When did the first mammals appear? About 270 Million years ago They were small mouse like animals After the dinosaurs disappeared about 65 million years ago, larger mammals evolved
You can tell the type of food mammals eat by its skull & teeth. What type of food does this animal eat?
You can tell the type of food mammals eat by its skull & teeth. What type of food does this animal eat?
Do some mammals lay eggs? Yes. Monotremes lay eggs: Two types of Monotremes are: Spiny Anteaters & Duck billed platypus
What are Marsupials? Marsupials are mammals The young are born alive But at an early stage of development, they develop in a pouch on their mother’s body
Baby Kangaroo in mother’s pouch
What are Placental Mammals? Placental mammal develops inside its mother’s body
Diversity of mammals Most of the mammal species are bats and rodents
Reflection Prompt: Write 5 facts that you learned in the video