Whilst trophic level is a useful idea when considering energy in an ecosystem, it is important not to interpret the idea too rigidly. If I eat an apple, I am being a primary consumer. If I eat beef, I am a secondary consumer. If I eat shark I am at least a tertiary consumer, and maybe higher depending on what the shark ate. Even animals which have a fairly restricted diet are likely to eat other things if they are starving.
No, organisms do not always stay at the same level within an ecosystem. They can change levels due to various factors such as availability of resources, population dynamics, and environmental changes. For example, a species may shift from being a primary consumer to a secondary consumer if it adapts to new dietary options. Additionally, life stages and migrations can also cause shifts in an organism's ecological role.
no because organisms such as humans are omnivores they can eat both meat and plants and may act as 1st,2nd or 3rd level heterotroph
No, organisms do not always stay in the same level. Organisms can evolve and adapt to their environment, leading to changes in their characteristics and behavior over time. This process, known as evolution, allows organisms to improve their chances of survival and reproduction.
Because they are stating that homeostasis is a constant in an organism as homo means "same" as stasis means "stay". It will always stay the same no matter if you break it down.
You can level up two different types of levels, your own level, and your class level, when you level up your class level, you get more skills, different armor have different class levels, but your own level always stay the same.
Density of the substance will always stay the same. Density of the object will also stay the same if solid, no matter the size, but not if it is carved out. That is why a steel boat can float
No, because even though humans are placed on a lower tropic level than lions, sharks, wolves, etc. they still eat organisms like those. Humans eat shark and other meat from organisms higher than them on the tropic level pyramid.
Yes
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Well the same reason fire doesn't stay at the same temp. is always changing
Yes, no gas is given off, therefore the mass of conversation will stay the same.
Humans do have a mutualistic and pathogenic relationship with the same organism. This is the planet earth. We are constantly fighting to stay on the mutualistic side of the relationship vs the pathogenic.