How does the brain size of humans compare to what is expected based on their body size? A) Human brain size is smaller than expected. B) Human brain size is larger than expected. C) Human brain size is exactly as expected. D) Human brain size is unrelated to body size.

Answers

Answer 1

Answer:

Answer: (B) is correct. Human brain size is larger than expected based on their body size compared to other primates.

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_____ are masses of cells full of pores.

Answers

The correct answer is Porifera; specifically sponges. Sponge, from the phylum of Porifera, are masses of cells full of pores. Sponges are multicellular organism that had their bodies full of pores and channels that allows the water to circulate throughout.

Suppose no crossing-over takes place explain why meiosis will still increase genetic variation.

Answers

Do not forget that haploids include only 50% of the genetic information, where one half is usually determined by a parent. Haploids melt together to create a diploid that explains genetic variation. I am pretty sure this answer will help you! Regards.

What makes a flower complete versus incomplete?

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An incomplete flower is a flower without one or more of the normal parts.

A complete flower is a flower having all four parts such as sepals, petals, stamens, and carpels.

The amphibian also develops a ________ system and a three chambered heart.

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nervous system friend

The chameleon develops a nervous system

The vocal cords are two bands of tissue that extend across the opening of the: larynx
glottis
trachea
epiglottis

Answers

they stretch across the larynx

What occurs when carbon is returned to the atmosphere from the burning of fossil fuels?

Answers

Air pollution from the carbon monoxide fumes

Final answer:

The burning of fossil fuels releases carbon into the atmosphere as carbon dioxide, a greenhouse gas. This contributes significantly to the greenhouse effect and, consequently, global climate change. The situation is aggravated by deforestation, which reduces the Earth's ability to sequester carbon.

Explanation:

When fossil fuels are burned, carbon is released into the atmosphere in the form of carbon dioxide. Fossil fuels, such as coal and oil, are essentially the energy-rich remains of ancient plants that were formed millions of years ago. When we burn these fossil fuels, we are effectively oxidizing this stored carbon, releasing vast amounts of carbon dioxide into the atmosphere.

Carbon dioxide is a greenhouse gas that traps heat in our atmosphere, contributing significantly to the greenhouse effect. This effect has been increasing, especially due to the heavy reliance of modern industrial societies on burning fossil fuels for energy.

Moreover, this process of releasing carbon into the atmosphere is accelerated by the widespread destruction of forests. Forests, particularly tropical ones, are essential in extracting carbon dioxide from the atmosphere and replenishing our oxygen supply. The increase in carbon dioxide levels in the atmosphere has accelerated over the past century, rising by about 30% and continuing to rise at more than 0.5% per year. Furthermore, these heightened levels of carbon dioxide are a central contributing factor to global climate change.

Learn more about Carbon Cycle here:

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