1. The
allows humans and animals to respond to their
environments and to move and act in their...
1. The
allows humans and animals to respond to their
environments and to move and act in their environments.
a. nervous system
b. respiratory system
c. green chlorophyll
d. backbone
2. have a nervous system that consists of three main parts.
a. Protists
b. Vertebrates
c. Invertebrates
d. Monerans
The most highly developed brain is in.
a. fish
b. monkeys
c. elephants
d. human beings
Answers: 2
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