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Dennis_Churaev [7]
3 years ago
10

At birth, what is the average number of red blood cells per mm of blood?

Biology
2 answers:
umka2103 [35]3 years ago
7 0
Baby girls are 4.1mm
Baby boys a 3mm
zimovet [89]3 years ago
6 0
5.1 million cells per cubic millimeter
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Using the data from the graph, explain the relationship between the population of snowshoe hares and the population of the lynx.
AnnyKZ [126]

As you already know, lynx are predators of hares and a balance between the populations of these two animals is necessary, so that the populations have a stable growth.

As you can see in the chart above, when the lynx population is very low, the hare population is high. This is because, as there are few lynxes, predation is low and hares are able to maintain their birth rate higher than the mortality rate. However, there are many hares available for lynx to feed on, which allows the lynx's birth rate to also be higher than the mortality rate, which causes the lynx population to grow.

Also according to the graph, you can see that as the lynx population grows, the hare population decreases. This is because the greater number of lynx causes predatorism to increase and hares are hunted by lynx in greater quantities. This causes the mortality rate of hares to be higher than the birth rate, which decreases its population. On the other hand, the abundance of food allows the lynx population to grow to some extent. This is because, as you can see in the graph, when the hares population is very small, the lynx does not have enough food, which causes an increase in the mortality rate, also decreasing the lynx population.

When the lynx population is low, predatorism is lower, which allows hares to reproduce by increasing their population, which will result in an increase in the lynx population.

7 0
3 years ago
Why might using other sources of power, like wind and solar energy, help to slow global warming? A. All types of energy cause gl
Mkey [24]

Answer:

c

Explanation:

fossil fuels release greenhouse gasses into the atmosphere, not using them would end a lot of that pollution, thus lowering global warming

3 0
2 years ago
Define "water pollution".
Elina [12.6K]

Answer: It is the indiscriminate dumping of nonuseful substances into water bodies

Explanation:

Water pollution occurs when non-useful substances like chemical, industrial, human wastes etc, are dumped into water bodies (oceans, rivers, lakes) as a means of disposing such wastes

For instance: water pollution occurs when unused battery is drop in the lake, sewage is dumped in the river etc

8 0
3 years ago
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Why don't antibiotic work on viruses?
Aleksandr [31]
Antibiotics are meant to kill living things (bacteria). Viruses, on the other hand, we are not sure if they would classify as living. Viruses change the meaning of "life" if we consider them alive. They can <em>only </em>reproduce within another cell by taking over that cell. An antibiotic would have to be able to kill human cells to kill a virus, and that would not be a good medicine to take. Viruses invade a host cell and incorporate the virus DNA into the host cell's DNA, which would cause the host cell to create more viruses to invade other cells. <span />
8 0
3 years ago
Help me please!
Alchen [17]

Answer:

C. Removing this step decreases the amount of carbon in the air: This is correct, removing factories would decrease the emission of greenhouse gases, thus decreasing CO2 in the atmosphere.

Explanation:

When we look at the picture we can see that the line that goes from G to C, goes from a factory to the atmosphere. As we know factories release a great number of elements into the atmosphere being one of them, carbon dioxide. Therefore taking into consideration we can proceed to analyze the following statements.

A. Removing this step prevents photosynthesis in the next step: This is not true industry increases carbon dioxide in the atmosphere, even if they don't exist there is enough CO2 for plants to perform photosynthesis.

B.Removing this step increases the amount of carbon in the soil: This is not true as factories release carbon dioxide to the atmosphere, not the soil.

C. Removing this step decreases the amount of carbon in the air: This is correct, removing factories would decrease the emission of greenhouse gases, thus decreasing CO2 in the atmosphere.

D. Removing this step increases carbon storage in plants: This is incorrect the carbon storage in plants is cording to their necessities independently of the abundance in CO2, in the atmosphere.

8 0
2 years ago
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