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3 years ago

Methane is a gas that helps trap the sun's energy within the Earth's atmosphere and is known as a (2 points)

1 answer:

5 0

I'm assuming the answer would be greenhouse gas.

Greenhouse gases are those that trap infrared radiation (from the sun) and contribute to the greenhouse effect.

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What is digestion and how does it work

slamgirl [31]

Answer:

Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma. In certain organisms, these smaller substances are absorbed through the small intestine into the blood stream.

Explanation:

Digestion works by moving food through the GI tract. Digestion begins in the mouth with chewing and ends in the small intestine. As food passes through the GI tract, it mixes with digestive juices, causing large molecules of food to break down into smaller molecules. The body then absorbs these smaller molecules through the walls of the small intestine into the bloodstream, which delivers them to the rest of the body. Waste products of digestion pass through the large intestine and out of the body as a solid matter called stool.

3 0

3 years ago

What if on my answer Choice doesn’t say that.

Aleonysh [2.5K]

What do you mean by your question

8 0

3 years ago

According to MacArthur and Wilson's hypothesis of island biogeography, species immigration and extinction rates on a particular

lozanna [386]

Answer:

The correct answer will be- Option-A

Explanation:

The Theory of Island Biogeography was proposed by the MacArthur and Wilson's in 1967 which proposed that the number of species-immigration and extinction rates are determined by the size of the island and distance of the island from the mainland.

The suggestions made by them are:

1. The islands which remain farther from the mainland receive very few species as compared to the closest mainland.

2. Smaller island shows a high rate of species extinction as compared to the larger island.

Thus, option-A is the correct answer.

4 0

3 years ago

Mendel realized that the principles of probability could be used to _____________ the results of genetic crosses.

Dmitrij [34]

Mendel realized that the principles of probability could be used to predict the results of genetic crosses.

5 0

3 years ago

Read 2 more answers

What is the biological significance of genetic diversity between populations? What is the biological significance of genetic div

mrs_skeptik [129]

Explanation:

<u>A) Genes for traits conferring an advantage to local conditions make microevolution possible.</u>

For example, Galapagos finches show variation in beak sizes and shapes related to their niches and available food source; the finches developed adaptations to their environment. Their specialized beaks allow them to adequately exploit the available resources, by utilizing the more abundant food source.

Further Explanation:

All the genetic information within the eukaryotic cell is stored within the nucleus as helical DNA. This DNA is tightly wound around histones as chromosomes. To produce daughter cells during cell division, the chromosomes (total number of chromosomes (2n)) are copied before the cell splits into two daughter cells. This process is known as mitosis, and occurs in cell division and growth processes. Two new nuclei are formed, along with identical cells. These are the same as the parent cell and the chromosome number (2n) is maintained.

Conversely in meiosis, the number of chromosomes (2n) is halved through meiotic divisions, producing 4 (n) germ cells (sperm or eggs), each containing half the number of chromosomes as its parent cell. Crossing over, independent assortment, and random fertilization ensure genetic variation.

This variation refers to the genetic characteristics present within a species; they form new traits called alleles, which may confer adaptations that increase the fitness of a species, along with ensuring survival by conferring an advantage.

Additionally, natural selection, mutation, genetic drift and gene flow lead to microevolution; over time, this is seen as changes to allelic frequencies within a population

Learn more about mitosis at brainly.com/question/4303192

Learn more about transcription at brainly.com/question/11339456

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

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6 0

4 years ago