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Hunter-Best [27]
3 years ago
10

The biological species concept cannot be applied to fossils. which alternative to identifying species would be most useful for c

lassifying fossil organism?
Biology
1 answer:
Crazy boy [7]3 years ago
7 0
Fossils can be classified by their morphology (how they look), ethologically (how they acted), and toponomically (where they are in the substrate layers) to produce phylogenetic trees. However, more recent advances in genetic technology allow us to extract DNA from more recent fossils that have not had too much breakdown of the DNA, and we can much more accurately classify species from that information, and also provide much more accurate phylogenetic analysis.
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How does weathering of rock expanding and breaking rocks apart impact water quality?
ivann1987 [24]
Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth.
6 0
3 years ago
Which of the following serves as an electron carrier in cellular respiration?
GrogVix [38]

Answer;

-NAD+

Explanation;

-When glucose breaks down into ATP, a large amount of the energy is stored as electron on special molecules (the electron carriers). When an empty electron carrier accepts a pair of electrons, it is reduced; when it gives those electrons up later on, it is oxidized.

-NAD+ and FAD; also the two most common electron carriers in the body. NAD+ can accept a pair of electrons (and a hydrogen ion) to become NADH.

7 0
4 years ago
Read 2 more answers
chambers A and B are placed next to each other but are separated by a film permeable to both glucose and fructose. chambers A co
Molodets [167]

Answer:

2.glucose move into chamber B faster than fructose

Explanation:  

  • Facilitated diffusion: refers to the transport of hydrophilic molecules that are not able to freely cross the membrane. Channel protein and many carrier proteins are in charge of this <u>passive transport</u>. If uncharged molecules need to be carried <u>this process depends on concentration gradients</u> and molecules are transported from a higher concentration side to a lower concentration side. If ions need to be transported this process depends on an electrochemical gradient. The glucose is an example of a hydrophilic protein that gets into the cell by facilitated diffusion.  Facilitated diffusion is a passive transport process because the cell does not need any energy to make it happen.  

The exposed scenario is an example of facilitated diffusion, a process that occurs in favor of the concentration gradient, and which rate depends on the concentration of molecules in each side of the membrane, in this case, glucose and fructose, among other factors that might also influence the diffusion rate. So, as the concentration of glucose is higher in chamber A (80%), and lower in chamber B (20%), in comparison with fructose, the first one will diffuse faster than fructose. The difference in concentration between both chambers is sharper in glucose, so its transport is faster than the fructose transport, which will also diffuse but at a lower rate.

7 0
3 years ago
B) Describe your duties as a plant scientist who is involved in creating a new strain of a plant using genetic engineering.
salantis [7]

3 specific tasks you must do while working with Professor Ingo Potrykus on this specific project is plant hybridization, growth recognition and quality of the products obtained.

<h3>How is lineage improvement done?</h3>

The answer is to obtain populations with genetic variability. This can be achieved through hybridization or crossbreeding. Hybridization is the fusion of genetically different gametes, which results in hybrid individuals heterozygous for one or more loci.

With this information, we can conclude that 3 specific tasks you must do while working with Professor Ingo Potrykus on this specific project is plant hybridization, growth recognition and quality of the products obtained.

Learn more about plant hybridization in brainly.com/question/1448528

#SPJ1

8 0
2 years ago
How could concentrating human populations in cities help to conserve agricultural and recreational lands
Levart [38]
<span>The concentration of many people into the small area, for example, A city lowers the overall footprint of the population in the region.

 Any pollution which results from people in a city can be isolated and treated more easily even than when people are being dispersed widely.
 Many cities outlined suburbs to have a lower concentration of people because it can complicate public transport and provision of services. </span>
3 0
3 years ago
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