Answer:
Humans must decrease the harmful impact they have on earth or else the human population could go extinct forever. One way to do this is to inform the people on climate change and its effects. Recycling, using metal straws, carpooling, cleaning up beaches, pulling unncessary plugs in your house to reduce electricity usage, and doing so much more can help reduce the risk of climate change and help the world become a much healthier and stable place for humans, plants, animals, and the environment.
Explanation:
Multicellular organisms can be much larger and more complex. This is because the cells of the organism have specialised into many different types of cells such as nerve cells, blood cells, muscle cells all performing different functions.
Obsolete body of thought on the ordinary formation of living organisms without descent from similar organisms. Typically, the idea was that certain forms such as fleas could arise from inanimate matter such as dust, or that maggots could arise from dead flesh.
Jem was the one who said this.
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An example of a postzygotic mating barrier, low hybrid viability .
Hybrid offspring are born but have lower fitness and are therefore less likely to reach sexual maturity. Another example is where hybrid offspring is healthy but unable to breed.
Postzygotic mating barriers reduce the reproductive capacity of hybrid offspring. The three types of postzygotic barriers are hybrid zygote abnormality, hybrid infertility, and low hybrid viability . Many research theory suggests that incompatibility alleles those who have evolved neutrally are not able to be maintained in secondary contact.
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