Some elements mentioned above, such as oxygen are present in organic compunds in many occasions, but from all of the options, the one that is always present is:
A. Carbon
Carbon is found in all organic compunds because of the bonds it can form, being able to form up to 4 covalent bonds.
Hope it helped,
BioTeacher101
Answer:
All organisms in the Animal kingdom are Heterotrophs meaning, unlike plants which produce their own food, animals feed upon other organisms.
Explanation:
Answer:
Animal- rhino
Explanation:
Threats-
Getting killed by people
Getting sick
Lion and other big animals
Hunger(depends where it lives)
Dehydration
Challenges
The heat
Other animals
Food
Water
Shelter/ shade
Hope this helps, most are if the rhino is living in a desert biom