100. Placental Mammals

Test Description: ScienceStudyGames.com

Instructions: Answer all questions to get your test result.

1) Placental mammals develop their offspring inside the _____________.

2) The placenta is an organ that develops in a pregnant female.

3) Food, oxygen and nutrients pass through the placenta to the offspring.

4) The offspring passes ___________through the placenta back to the mother.

5) The ____________________connects the placenta to the offspring.

6) Placental mammals are classified as to how they eat and how they_____________.

7) Whales, dolphins and porpoises are adapted for swimming.

8) Sea mammals do need or do not need oxygen to breathe.

9) The carnivore group of mammals , such as large cats, otters, and possibly seals, are all___________________.

10) Primates, that include, monkeys, apes and humans all have ____________brains and eyes that face forward.

11) The gestational period refers to the time it takes the mammal to give life to their offspring.

12) Elephants are the largest___________mammals.

13) Elephants carry their unborn offspring the longest of all mammals. She carries her offspring about ________________.


*select an answer for all questions

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