At the top. So let's say there are lots of plants in Africa, and an herbivore eats those. Then, a carnivore (lion) comes along and eats that herbivore. And then at the very top of the pyramid there are scavengers (vultures) who just eat what's left of the herbivore after the carnivore is done with it.
owl
Just switch population with ecosystem to get them most to least complex.
A cat.
That would be ecosystem. You have five levels of organization, which would be the biosphere, ecosystem, community, population, and organism. Biosphere- All areas of the earth where life exist. The biosphere made of large regions called biomes. Ecosystem- All the living and nonliving things in an area. Community- All the living things in an ecosystem. Population- All the members of one species that live in an ecosystem. Organism- A single living thing that is adapted to live in its habitat. Hoped that help, excuse my errors.
there well be no animal on earth
if one organisms population went down quite a lot, then the organism which eats it will suffer and their population would go down especially if the 1st organism was near the bottom of the food web and this process would repeat so there would be a big population drop, just because one organism dropped some of it population.
A piece of grass will have a smaller ecosystem than other insects and animals. A bird will likely have the largest ecosystem.
biomeecosystem communitiespopulationorganism
It would disrupt the ecosystem by greatly reducing the population of a few species.
Just switch population with ecosystem to get them most to least complex.
Many people might think the answer to this question would be an atom, but not in life. The structures go like this from largest to smallest: Ecosystem, Community, Organism, Organ system, Organ, Tissue, Cell.
A cat.
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The smallest unit of an organism would be the epithelial cell I think... The function would be to protect or cover the body, I don't know okay!
ecosystem because if it were to be an organism then the plant would have to do something with cells and the germ family and the saguaro cacti has nothing to do with cells and the germ family.
they die
That would be human beings.
The food chain would expand, and the new organism would have new predators.