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The best answer I've heard is that the food chain would collapse. How long can you go without eating? We would be a rather grouchy planet in a few days and would be likely to die from food wars (that would be the primary affect on humans as opposed to other animals). Many suggest running out of oxygen but the atmosphere is huge (About 80% of the total mass of the atmosphere is contained in the first 6-7 miles over the surface of the earth) and contains 20% oxygen. Animals primarily inhabit the surface of land (plus a good bit of ocean creatures) so they are not likely to be able to consume all the oxygen before starving. I don't think there is enough biomass to account for the excess oxygen but somebody could crunch the numbers to be sure. Some suggest the decaying matter would consume the oxygen but the wood mass (trees and wood structures) across the earth contain millions of tons of carbon and would take years to rot - we would starve well before that.
What else can I help you with?
Are plants flowers?
Flowers are part of the reproductive cycle of plants therefore they are not plants per se.
Do all plants produce seed?
Not all plants do actually. Most Vascular Plants ( plants with tubes ) have seeds. Some plants have spores instead of seeds.
Do plants absorb all types of light, yes or no?
No, plants do not absorb all types of light.
What plants are involved in photosynthesis?
All plants, some protists, bacteria and blue green algae uses the sun to make photosynthesis. Plants use photosynthesis to create energy that then makes sugar for nutrient.
Do all plants possess chlorophyll?
No, not all plants possess chlorophyll. Some plants, like certain types of fungi and parasitic plants, do not have chlorophyll and obtain nutrients through other means.
How would plants be affected if all eagles died?
no
What would happen to a snake if all the plants on earth died?
The snake would soon die. Snakes are part of the web of life. They eat smaller creatures that eat plants and would die if all the plants died.
How were plants and animals affected by san francisco earthquake in 1906?
all the plants and animals died
If all plant died then all animals would die or if all plants then the rabbits would die or if all plants died then foxes would live if some rabbits were left to breed?
If all Plants died, all the animals would die. Herbivores eat plants, Carnivores eat the herbivores and,that preatty much explains it. There is also the cycle of energy if a producer gets eaten by a primary consumer that consumer would be eaten by the secondary consumer until it reaches the tertiary consumer.
What animal is badly affected if all rice plants died?
If all rice plants were to die then it would affect many animals. If rice plants were wiped out then the local ecosystem would be devastated.
What plants or flowers are in the rose family?
none they all died
Why are dinosaurs extinct because of plants?
Dinosaurs did not die out because of plants. They died out because of a lack of plants after an asteroid impact blocked out sunlight for months or years. With all the plants dead, the dinosaurs starved.
If all the plants in a habitat suddenly died what would happen to the animals?
we would die, too
How did Brachiosauruses died?
because when the metiorite hit earth, all plants died, so the plant-eaters could not eat, then the carnivoirs that are left could not eat because all tye plant eaters died you see?
When does the forest sleep?
the forest never sleeps. if the forest sleeps all the creatures and plants would have died.
An experiment tested microwave-heated water to water plants and the plants died. This suggests that the microwave did something to the water to make it harmful. Is microwave heated water harmful?
All a microwave does is send microwaves through objects and speed up the molecules. The reason the plants died is because the water was hot.
What would happen to the consumers in a lake if all the producer died?
The consumers would die of starvation.
