Feeling pain, hunger, thirst, sleepiness, and being aware of our thoughts and emotions are all examples of Internal stimuli.
Answer:
popcorn kernels aren't living things
Explanation:
characteristics they have that show proof they are living organisms:
• movement when exposed to heat
• irritability/sensitivity since they react to change of temperature
• growth since when they are exposed to high temperatures they grow and become bigger
We can determine if they are living or not by:
• seeing if they respire
• seeing if they need nourishment
• seeing if they can excrete
• seeing if they can reproduce
In conclusion they aren't living things
A niche is an organism's role in a community.
What it eats, Where it eats, When it eats, and its job in that environment.
The answer would be “A cancer cell” i believe.