What reproductive advantage do amniotes have over pre amniotes

1 answer:

4 0

The reproductive advantage that amniotes have over pre-amniotes is producing eggs with internal membranes whereby can embryo can breath without water because the said membrane let the gases through but not water. Thus, amniotic eggs can be laid on land not like the early amniotes (pre-amniotes) that they have to return to water to reproduce.

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A school’s environmental club wants to reduce the ecological footprint that the student body creates annually. Which step would

Monica [59]

Answer:

Composting food scraps in the cafeteria to reduce landfill waste would have the greatest impact in reducing the school’s ecological footprint.

Option: (C)

Explanation:

Reducing the ecological footprint means bringing about some changes in lifestyle and living to improve the biocapacity.

Compositing food scraps in the cafeteria to reduce landfill waste is the best option that the environmental club can apply to reduce the school's ecological footprint.

This step can help to increase productivity of soil as well as reduce waste in landfill site.

The option of incineration of trash causes air pollution. Likewise, reducing recycling bins will not be helpful in decreasing the ecological footprint.

Instead, it causes the unmanaged collection of trash in school environment.

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4 years ago

Which is not a factor that affects the rate of diffusion

kumpel [21]

Explanation:

Many factors can affect the rate of diffusion , including , but not limited to , concentration gradient , size of the particles that are diffusing , and temperature of the systems , diffusion of substances in and out of cells is mediated by the plasma membrane .

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3 years ago

What do many ecologists feel is necessary for an area to be classified as a forest?

Arturiano [62]

Answer:

B. Enough trees to create a close canopy.

Explanation:

Forests may have several tree species but one very important feature of forests is their close canopy of dense trees, often arranged in several strata (or layers).

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3 years ago

According to the information on the periodic table, which of the following could represent element X?

gogolik [260]

chlorine because it has 7 electrons on the outer shell

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3 years ago

Many conditions other than those that attack the brain tissue directly can also produce symptoms of neurocognitive disorder. The

jonny [76]

Answer:

The neuro cognitive disorder of blood flow to the brain is called as dementia.

Explanation:

When mental function decreases due to mental diseases,the term is called dementia in medical terminology.

There are several causes of dementia are-

Brain injury which is caused by trauma.
Intra cerebral hemorrhage,blood clot in the brain
Breathing problem like hypoxia.
Cardiovascular problems like TIA, Stroke,heart infection etc.
Alzheimer disease,Huntington disease,HIV,any injury in brain.
Pick disease etc

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4 years ago