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romanna [79]
3 years ago
12

2. How does temperature affect water availability in an ecosystem?

Biology
2 answers:
Setler79 [48]3 years ago
6 0

Answer:

The temperature affects the water availability in an ecosystem. If the temperature is too high there is an increased rate of evaporation and the water dries out easily and there is a scarcity of water.

If the temperature is too low then the water will be transformed into ice that is again not useful for the organisms

If the temperature is ambient there is enough amount of water available for the use of the animals in an ecosystem..

Nitella [24]3 years ago
3 0

Water resources are important to both society and ecosystems. We depend on a reliable, clean supply of drinking water to sustain our health. We also need water for agriculture, energy production, navigation, recreation, and manufacturing. Many of these uses put pressure on water resources, stresses that are likely to be exacerbated by climate change.

Related Links

EPA:

Climate Change and Water

Climate Change and Water: Planning and Management

Learn About Water

Climate Ready Water Utilities

Other:

National Climate Assessment: Water

USGCRP: Climate Change and Agriculture, Land Resources, Water Resources, and Biodiversity

IPCC: Fifth Assessment Report EXIT

IPCC: Technical Paper on Climate Change and Water EXIT

NAS: America's Climate Choices EXIT

USGS: Water Resources of the United States

USGS: The Water Cycle

Energy.gov (Information about renewable energy production, including hydroelectricity, by state)

In many areas, climate change is likely to increase water demand while shrinking water supplies. This shifting balance would challenge water managers to simultaneously meet the needs of growing communities, sensitive ecosystems, farmers, ranchers, energy producers, and manufacturers.

In some areas, water shortages will be less of a problem than increases in runoff, flooding, or sea level rise. These effects can reduce the quality of water and can damage the infrastructure that we use to transport and deliver water.

Top of Page

Water Cycle and Water Demand

The water cycle (shown in the following figure) is a delicate balance of precipitation, evaporation, and all of the steps in between. Warmer temperatures increase the rate of evaporation of water into the atmosphere, in effect increasing the atmosphere's capacity to "hold" water.[1] Increased evaporation may dry out some areas and fall as excess precipitation on other areas.

Changes in the amount of rain falling during storms provide evidence that the water cycle is already changing. Over the past 50 years, the amount of rain falling during very heavy precipitation events has increased for most of the United States.  This trend has been greatest in the Northeast, Midwest, and upper Great Plains, where the amount of rain falling during the most intense 1% of storms has increased more than 30%.[1]  Warming winter temperatures cause more precipitation to fall as rain rather than snow. Furthermore, rising temperatures cause snow to begin melting earlier in the year. This alters the timing of streamflow in rivers that have their sources in mountainous areas.[1]

As temperatures rise, people and animals need more water to maintain their health and thrive. Many important economic activities, like producing energy at power plants, raising livestock, and growing food crops, also require water. The amount of water available for these activities may be reduced as Earth warms and if competition for water resources increases.[1]

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explain why a mouse (an endotherm) would probably have wider bone rings than a similarly sized lizard (an ectotherm).
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Write in your own words:

"Since the mouse is an endotherm, it probably has a higher metabolic rate, and thus a faster growth rate, than the lizard (an ectotherm of similar size) does. If the mouse has a faster growth rate, its bones would grow more between each ring, resulting in wider bone rings."

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and remember that a mouse is a endotherm because it generates metabolic heat to maintain internal body temperature.

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Which organisms are responsible for absorbing carbon from the atmosphere
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You have two carts, one which is empty and has mass m. The second cart is of the same mass but
Ahat [919]

Their kinetic energies would be the same. The cart is empty and has a mass m. The second cart is of the same mass but loaded with twice the mass of the empty cart. 1 joule of work or energy is equal to the work done by a force of one newton acting through one meter.

<h3>What is kinetic energy? </h3>

A moving item or particle might have the power of a certain sort called kinetic energy. When work, which entails the transfer of energy, is done on an object by applying a net force, that object acquires kinetic energy. Kinetic energy, which depends on an item or particle's mass and velocity of motion, is a property of motion. Any combination of vibration, axis rotation, translation (or movement along a route from one place to another), and translation are all examples of motion.

The kinetic energy of each would be equal.

This is because the force, F, acting on them moves the same distance, d, hence the work done by the force is W = Fd.

Using the ideas of work-kinetic energy, let's now

W = K, where K is the difference in the kinetic energy of the carts.

Given that the effort done was the same for both carts, the change in kinetic energy would also be equal.

Since they start at rest, K = K' - K = K' - 0 = K'.

Therefore, the kinetic energies of the carts would be the same.

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7 0
11 months ago
Which organelles are found in a plant cell? Check all that apply. Endoplasmic reticulum centrioles cell wall vacuoles lysosomes
Shalnov [3]

Answer: Endoplasmic reticulum, cell wall, vacuoles, lysosomes, mitochondria, chloroplasts and cell membrane.    

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Endoplasmic reticulum is the membrane bound organelle found in both plants and animals cells. The endoplasmic reticulum forms a network of canals it helps in transport of material in and out of the cell.

Cell wall is a rigid structural layer which forms an envelope around a cell. It is a rigid structural layer which is composed of cellulose. It provides protection to the cell and exhibit pores which facilitates the transfer of materials to pass to and from the cell membrane.

Cell membrane is a layer that surrounds the cell and separate it from the external environment. It is a selectively permeable structure which controls the material which is going in and out of the cell.

Vacuoles are membrane bound fluid filled organelles which store materials which are not required by the cells and helps in the waste disposal. They store materials like water, food, sugars, minerals and other waste products.

Chloroplasts are the organelles specifically found in the plant leaves. They have special pigment called as chlorophyll that traps the light energy from sun to conduct photosynthesis.

Mitochondria are tube like organelles these are the called as the powerhouse of the cell. Their function is in cellular respiration. They break the sugar molecules to produce ATP as a source of energy.

Lysosomes are the small sac like structures they exhibit a single membrane which contains strong enzymes which are capable of digesting cellular wastes. They also called as suicidal bags.

Centriole is an organelle which is not found in the plant cell. It is only found in the animal cells, their is a pair of centriole,  which are minute cylindrical organelles near the nucleus. These helps in the development of spindle fibers during cellular division.

8 0
3 years ago
Read 2 more answers
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