Question

unit 7 quiz 3 biology integrated - b - spd - 2526 / unit... 4. all mammals except this one give live birth. kangaroo sea cow whale duck - billed platypus 5. what are the five different types of vertebrates? amphibians fish mammals cephalopods mollusks birds reptiles 6. which of the following is the definition of monotreme? a mammal with a very short period of development inside its mothers body and has a second period of development a mammal that reproduces by laying eggs, but still has milk, hair, and teeth an animal that has a gestation period inside the mothers uterus a thin membrane that surrounds internal organs

Explanation:

1. The duck - billed platypus is a monotreme, a mammal that lays eggs while most mammals give live birth. Kangaroos, sea cows, and whales are mammals that give live birth.
2. The five main types of vertebrates are amphibians, fish, mammals, birds, and reptiles. Cephalopods and mollusks are invertebrates.
3. A monotreme is defined as a mammal that reproduces by laying eggs but still has milk, hair, and teeth. The other options do not correctly define a monotreme.

Answer:

1. duck - billed platypus
2. amphibians, fish, mammals, birds, reptiles
3. a mammal that reproduces by laying eggs, but still has milk, hair, and teeth