What best explain what happened to Arianne?

What best explains what happened to Arianne? A parasitic bacteria contaminated her food. Humans affect the carbon cycle in many ways through the use of fossil fuels, clear cutting of forests, and controlled burns.

What is the most likely way the snail was introduced into Florida?

The African snail is a large snail that eats at least 500 different types of plants and is one of the top 100 invasive species in the world. What is the most likely way the snail was introduced into Florida? A small animal was carrying one on its fur.

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Which answer gives both a positive impact and a negative impact associated with the effects of nitrogen?

Nitrogen and phosphorous are essential for plant growth and a positive impact. Use of fertilizers do not affect the denitrifying bacteria. Thus increase in plant growth is a positive impact and damage to drinking water is a negative impact.

What would most likely happen to the world population if the barnacle population decreased?

What would MOST LIKELY happen to the whale population if the barnacle population decreased? The pine population would increase.

Which best describes how an organism’s niche is determined?

Which best describes how an organism’s niche is determined? An organism’s habitat and ability to reproduce determine its niche.

Which statement best describes the purpose of Earth’s spheres quizlet?

Which statement best describes the purpose of Earth’s spheres? They work together as open systems to cycle matter through ecosystems.

What most likely happened to the population of deer in 1963 and 1964?

What most likely happened to the population of deer in 1963 and 1964? The population steadily increased to get closer to carrying capacity.

What percentage of energy will the deer acquire from the grass?

The grass is the producer and the deer is the primary consumer, so, when the deer eats the grass, it acquires 10 percent of the total energy of the grass.

How could the loss of biodiversity affect humans it may cause an increase in the human population as competition?

How could the loss of biodiversity affect humans? It may cause an increase in the human population as competition is reduced. It may lead to the loss of potential medicines, foods, and products. It could lead to a decrease in infectious and other diseases that affect humans.

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What is the effect of the biogeochemical cycles?

Key Message 3: Impacts and Options Altered biogeochemical cycles together with climate change increase the vulnerability of biodiversity, food security, human health, and water quality to changing climate. However, natural and managed shifts in major biogeochemical cycles can help limit rates of climate change.

How does mining affect water resources quizlet?

How does mining effect water sources? Water -pollution problems caused by mining include acid mine drainage, metal contamination, and increased sediment levels in streams. Sources can include active or abandoned surface and underground mines, processing plants, waste-disposal areas, haulage roads, or tailings ponds.

What would happen if there was no condensation stage in the water cycle quizlet?

What would happen if there was no condensation stage in the water cycle? Water could not convert from a gas to a liquid.

How can we stabilize the world’s population?

Population stabilization will depend on removal of physical and social barriers that prevent women from using family planning services and thereby help them control their own unwanted fertility. Stabilization will require poverty alleviation and removal of the need for large families.

What controls the population of living organisms?

Factors that influence populations include competition, predation, parasitism and symbiosis. Competition is the struggle between organisms for the same resource e.g. grass, dandelion, buttercup and daisy compete for space, light, water, minerals; fox, thrush and hedgehog compete for earthworms.

What maintains a stable population size?

the total fertility rate (TFR) that maintains a stable population size. the rate of change in a population’s size resulting from birth and death rates alone, excluding migration. the average number of years that individuals in particular age groups are likely to continue to live.

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