Answer:
Mammal
Explanation:
A mammal is any any animal that is warm-blooded, gets milk from its mother, and is born alive, etc. Therefore a Cetacean should be considered a mammal.
Hope this helps!
For the first question, I would say a line graph. And the one about the human heart, I need some more information.
The answer u r looking for is-Hypothesis. Hope I’ve helped ;)
The correct answer is:
1 - Blue wildebeest (Connochaetes taurinus)
2 - Blue wildebeests
3 - Blue wildebeests and Black wildebeests
4 - Blue wildebeests, Black wildebeests, crocodiles, acacia trees
5 - Maasai Mara
A hierarchical organization is an organizational structure where every component of the organization is subordinate to some other component.
I need more details to answer your question