Adaption, during adaptation certain traits in a species can be passed on. When a change in environment is presented certain traits begin to develop when the species reproduce due to mutations in the DNA. The more the new trait due to mutation, is shown during reproduction the more it passes on from parent to offspring. EX.1: Polar bears, they originated from a brown bear but as the land began to get cold and snowy, certain mutations occured causing one offspring to be born with white fur. Once that bear began to reproduce the trait became more common, and due to the adaptation the polar bear could blend in to its surroundings more making it easier to hunt prey. Brown bears were not able to keep producing and living due to slowly dying off from starvation causing the trait of white fur to be more common. The species begin to mate with other species with similar traits to keep on surviving. I hope this answered something if not please message me.
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Decomposers and scavengers break down dead plants and animals. They also break down the waste (poop) of other organisms. Decomposers are very important for any ecosystem.
The absence of decomposers in Earth would cause irreversible damage to the planet's wildlife. Carcasses and dead leaves will cover the surface the planet without getting broken down.
If there were no decomposers. Wastes and the remains of dead organisms would pile up and the nutrients within the waste and dead organisms would not be released back into the ecosystem. Producers would not have enough nutrients.
If they weren't in the ecosystem, the plants would not get essential nutrients, and dead matter and waste would pile up and life will end for ever and our beautifull will be destroy.
The cells had too much carbon dioxide, so they used aerobic respiration as a source of energy.
Determine dominant and recessive forms of that trait? i may be wrong.