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Semmy [17]
1 year ago
12

A researcher has collected a sample of feces from a woodland area and has extracted from it proteins that are produced in the gu

t of a rare tropical bird. the researcher wants to use these samples to compare them to other bird species. the order that best describes the way in which the researcher has observed levels of biological organization is
Biology
1 answer:
Evgesh-ka [11]1 year ago
5 0
The researcher first encountered a compound or molecule, which was the protein, and then went on to a higher level of organization which was tissue (the cells that produce the protein, and then on to the organ (gut) where the tissues act. Finally, the scientist identified the organism and will next compare the population of organisms to other populations.
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Calculate the rate of photosynthesis (mm/hr) for Elodea if when measuring net photosynthesis, the water level moved up 7mm from
ZanzabumX [31]

Answer:

With 6 we should multiply gross photosynthesis (as we were measuring gross photosynthesis for 10 min).

Explanation:

According to this question:-

Net photosynthesis- 3mm/20min- 1.5mm/10min

Cellular respiration- 1mm/15min- 0.66mm/10min

Gross photosynthesis = Net photosynthesis + Cellular respiration = 1.5+0.66 = 2.16 (mm/10min)

Rate of photosynthesis = (gross photosynthesis)6 = 2.16 *6 = 12.96 mm/hr

As we gage the photosynthesis rate in hr.

5 0
1 year ago
2. Which of the following can survive either with oxygen or without it?
Gnesinka [82]
2. Which of the following can survive either with oxygen or without it?
facultative anaerobes 


3. Where are you likely to find a photoautotroph? 

near the surfaces of lakes and streams


4. During what process do prokaryotes exchange genetic information?

conjugation 


5. What would be a direct consequence of the disappearance of nitrogen-fixing prokaryotes? 

<span>Organisms would not be able to get nutrients they need to make proteins</span>
4 0
2 years ago
Read 2 more answers
A wildlife scientist finds two reptile-like organisms. Both have a post-anal tail, claws, and some common characters of reptiles
Thepotemich [5.8K]
I would say they need to look to Linneaus System of Classification, because he devised the taxonomical system of class, order, phylum, species variety, etc.
8 0
2 years ago
As discussed in Investigating Life 15.1, why might bioluminescence be an advantage for some species of dinoflagellates?
marysya [2.9K]

Answer:

Bioluminescence is the phenomenon which is seen in the dinoflagellates which is very common. It is caused due to chemical reactions that takes place inside the organism.

There is an influx of protons in the cell which drops the pH of the cell. It is the oxidation of luciferin which produces the glow.

This phenomenon acts as a shock for the predator because it is in the form of flash for less than 20 microseconds.This flash reduces the number of dinoflagellates which is being eaten by the predator.

4 0
1 year ago
A the mechanism of contraction in smooth muscle is different from skeletal muscle in that ________.
Sever21 [200]
The mechanism of contraction in smooth muscle is different from skeletal muscle in that the site of calcium regulation varies. In addition, in an isotonic contraction the muscle alterations in length and moves the load and the the muscle cell membrane is named the sarcolemma.
8 0
2 years ago
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