ECOLOGY
HUMANS AND THE BIOSPHERE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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They could increase pollution in the water.
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They could damage streambeds and shoreline.
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They could decrease water flow in the river.
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They could reduce native fish populations.
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Detailed explanation-1: -Nonnative flathead catfish that prey on smaller fish were accidentally introduced into the Yadkin River in North Carolina. What is the MOST likely effect these catfish could have on the ecology of the Yadkin River? They could reduce native fish populations.
Detailed explanation-2: -Invasive plants can impact forest ecosystems and biodiversity in a variety of ways: Reduce forest health and timber productivity. Invasive plant competition, introduced diseases, and insect infestations in forestland can cause increased seedling mortality or cause problems with natural regeneration of forests.
Detailed explanation-3: -Ecosystems are influenced by both biotic and abiotic factors. Biotic factors include animals, plants, fungi, bacteria, and protists. Some examples of abiotic factors are water, soil, air, sunlight, temperature, and minerals.
Detailed explanation-4: -Why is it difficult to create a terrarium ecosystem that will last a long time without human help? Terrarium ecosystems cannot get enough sunlight. Terrarium ecosystems cannot get enough oxygen. Ecosystems with few species are weak and unstable.
Detailed explanation-5: -Which example describes an abiotic factor could impact the diversity of an ecosystem? An increase in the amount of acid rain can change the pH of the soil in an ecosystem.