pls answer all of this
1.How does the invasion of a new species affect the original resident organisms in a particular area?
2. What might be the reason for the rapid increase in the number of endangered species in the century?
3.What do you think Earth would be like if there were no bacteria to decompose animals and plant remains
4.Why are there more producers than consumers in an ecosystem? Suggest a hypothesis why is this so.
5.imagine a dam is being built in your area to harness water from two rivers and increase water supply for the growing population in your town. What might be the positive and negative impacts of this strategy?
Answers
Answer:
1)However, when these alien species begin to have negative consequences in the new habitat, they are called invasive species. Invasive species may cause environmental harm, economic harm, or impact human health. A key factor that makes many species invasive is a lack of predators in the new environment.
2)Species become endangered for two main reasons: loss of habitat and loss of genetic variation. A loss of habitat can happen naturally. ... Human activity can also contribute to a loss of habitat. Development for housing, industry, and agriculture reduces the habitat of native organisms.
3)Without decomposers, dead leaves, dead insects, and dead animals would pile up everywhere. ... Thanks to decomposers, nutrients get added back to the soil or water, so the producers can use them to grow and reproduce. Most decomposers are microscopic organisms, including protozoa and bacteria.
4)We eat more than we produce, but the more primary consumers will eat the consumers, as consumers will consume energy from producers. There is more producers, because without producers consumer populations would go down. So this is proving that we have more producers in an ecosystem than consumers
5) Large dams have junction rectifier to the extinction of the many fish and alternative aquatic species, huge losses of forest, the disappearance of birds in floodplains, erosion of deltas, wetland, and farmland, and many other irreversible impacts.
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