6/2 & 6/3 - 7th Grade Agenda Collect HW: Reading & Notetaking p.243 – 246 Mammals (Project Alert #1) Class work Chap 12 Study Guide Video: Life of Mammals Textbook Reading p. 510 – 521 Homework: Reading Guide Section 5 & 6 Reminder Chap 12 Test on 6/7 & 6/8

Reflection Prompt: Write 3 facts that you know about Squids.

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 from the video.