BIOLOGY HIGH SCHOOL

According to the phylogenetic tree, from which domain did Eukarya evolve?

Answers

Answer 1
Answer: According to the phylogenetic tree, the Eukarya, or the Eukaryotic cells, rose around 2 billion years ago, give or take a fer hundred million, from the Archaea domain. The Archaeas are single-celled organisms that belong to the Prokaryotic type, meaning that the Eukarya are more complex since they have a nucleus and build together multi-cellular organisms.
Answer 2
Answer:

Archaea and Eukarya.

On the basis of the information provided in the question, the ultimate branch of the phylogenetic tree starts with the line of Eukarya and then possesses the species of the Archaea division that comprises those prokaryotic species, which thrives in extremely tough environmental scenarios.  

As the last branch possesses species of two domains, that is, Eukarya and Archaea and it starts with Eukarya and afterward holds the species of Archaea, which shows that both Eukarya and Archaea are associated genetically.  

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During a microscopic view of reproductive stages of bacteria cells, a tube connecting two bacterial cells was noticed.Which mode of reproduction in prokaryotes does this depict?




binary fission




conjugation




spore formation

Answers

Pretty sure it's B. Conjugation because that is a form of sexual reproduction in the reproduction of prokaryotes.
The answer is B Conjugation

Gathering information with your eyes is called.A. central vision
B. peripheral vision
C. rubbernecking
D. visual perception

Please support your answer with short comment ;)

Answers

Gathering information with your eyes is called visual perception. Option “D” is considered the correct option. Under normal circumstances light is received by the eye. This light is then broken down into two parts and they are peripheral vision and central vision. The information then gets transferred to the brain which is then analysed to extract the actual information. This is place for getting the actual perception. This is how the visual perception works with the help of the eye.



How do aggregate fruits develop

Answers

Aggregate fruits are created from several carpels that was from the same flowers. Strawberries and raspberries are examples of this type of fruit. Aggregate fruits are made from a compilation of flower blossoms. Many ovaries from a single flower would develop a fruit once they are merged.

Several blossoms on a flower stick together and develop into a single fruit.

*Works for Plato*

Wildfires are frequent In the Great Basin shrub steppe. Every time there is a fire outbreak, much of the natural vegetation is destroyed. What is the MOST LIKELY impact of fire on this ecosystem? A) A drastic reduction in the animal population due to migration or death by starvation. B) No impact, because the plants have only been temporarily removed from the ecosystem. C) There would be no rainfall because there are no trees or shrubs in the region. D) Non-native plants and animals would migrate into the region.

Answers

The correct answer is option A

The most likely effect of the fire outbreak is that due to fire most of the vegetation is destroyed and due to this most of the animal gets impacted and there is a drastic reduction in their number.

They will move due to another places in search of food which is known as migration else they will die there only because of the starvation.
The most likely answer is A) A drastic reduction in the animal population due to migration or death by starvation.

Which is most likely the result of genetic engineering?

Answers

Genetic engineering is the process of manually adding new DNA or genetic material to an organism. The latest example of genetic engineering is immunotherapy. Healthy white blood cells are genetically modified to target a specific type of cancer.  These modified cells are then injected into a person with this specific type of cancer. These cells then target the cancer cells and destroy them. This immunotherapy is more advanced than Chemotherapy as it only targets the rogue cells, not all the cells. 

When individuals leave a population, the remaining populations will likely experience a _________ in genetic diversity.?

Answers

decrease in genetic diversity

Answer:

They will experience a decrease in genetic diversity.

Explanation:

This is because one of their genetics has left so the number will decrease.
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