You are looking at tissue under a microscope. One cell shows half the amount of DNA of some of the other cells. This cell is most likely to be in the G1 phase where the cell has just divided.
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A phylogenetic tree based on morphology can be constructed using the presence or lack of characteristics. In this illustration, all aliens except the outgroup possess a spring tail, all aliens possess a fourth eye, two aliens possess two tails, and one alien has a grasping hand. The evolutionary relationships between these organisms can be hypothesized using these traits.
Aliens:
- We can determine whether the following traits are present in the remaining aliens by using the group of aliens with the tail stalk as our test group.
- Out group: a group that is maintained apart from the clade but is yet connected to it.
- If we provide these aliens alphabets for ease of understanding, then aliens will be like in order.
- We can use the group of aliens with the tail stalk as our test group to see if the following characteristics are present in the remaining aliens.
- A group that is kept separate from the clade while yet being affiliated with it is known as an out group.
- The aliens will appear to be in order if we give them alphabets for simplicity.
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Answer and Explanation:
Farmers use selective breeding to keep desirable traits in livestock.
I can't think of any other jobs that use selective breeding, rn..
Answer:
Explanation:
Oil sand is an unconventional source of oil. It requires specialized technology and great expertise to win oil from associated waste materials.
The reason why some companies bother about such oil source is explained below;
- Prevailing cost of oil in the world market makes it profitable to extract these oil from sands. A high cost of oil crude oil is a good cause to produce oil form oil sands.
- Development of new technology can catalyze interest in profitable exploration from unconventional sources.
- Economic policies can also favor the production of this source of oil.
- Demand for oil in the market can jack up production levels that can also be met by oil from oil sand.
