Answer: C
Explanation:
Gliding joint (source: trust me bro)
The answer is D. two birds of the same or different species living in the same area
<span>Competition is an interaction between members of the same species or between different species living in the same area. If resources, such as food, water, sunlight, territory, are limited and several species depend on these resources, then, they must compete with the same or other species to gain the resources. </span>
Adenosine triphosphate
ATP
The answer is heterotrophic
