Help for 20 pts please
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Answers: 3
Biology, 21.06.2019 13:00
Which is it a characteristic of the animal kingdom? a. they include both vertebrates and invertebrates b. their skin is covered with hair or fur c. they are heterotrophs d. they are eukaryotic
Answers: 2
Biology, 22.06.2019 01:00
An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen
Answers: 1
Biology, 22.06.2019 04:00
The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.
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Social Studies, 30.01.2020 16:54
History, 30.01.2020 16:54
History, 30.01.2020 16:54
Business, 30.01.2020 16:54
Biology, 30.01.2020 16:55
Biology, 30.01.2020 16:55
Mathematics, 30.01.2020 16:55
Health, 30.01.2020 16:55
Mathematics, 30.01.2020 16:55
Mathematics, 30.01.2020 16:55
Mathematics, 30.01.2020 16:55
Mathematics, 30.01.2020 16:55