Answer:
False
Explanation:
All mammals are vertabrates, because they are in the phylum chordata, meaning that all of the animals there have vertebrae. In fact, all mammals have exactly 7 neck vertebrae, no matter how long their neck is.
Cool stuff man !!!!!!!!!!
In prophase , chromosome is visible and then we can see the light and dark part of that which is active !
<span>maintains a constant INTERNAL environment
so other options included internal variable and external environment. but its internal and environment</span>
