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Alla [95]
1 year ago
8

All of the following are characteristics of modern amphibians except:

Biology
1 answer:
Tom [10]1 year ago
4 0

Answer:

Endothermic

Explanation:

Amphibians are ectothermic organisms. Ectothermic animals are coldblooded animals. From the options above, the correct answer is endothermic because amphibians are not hot blooded and are never endothermic.

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A complete circuit contains two parallel-connected devices and a generator for providing the electromotive force. The resistance
mrs_skeptik [129]
Parallel circuits are circuits when placed in a parallel position. Meaning that for each device, they have their own branch. The voltage that is received in the circuit is equal to the individual devices. The total current is equal to the current of each device. The resistance is the reciprocal of the resistances of each device combined.  

Given:
Device 1 = 12 ohms
Device 2 = 4 ohms
Voltage total = 40V  

Required:
Current at 12 ohms  

Solution:
40V = V1 =V2  

Since V =IR
I1 = V1/R1
I1 = (40V)/(12 ohms)
<span><u>I1 = 3.334 A(Amperes)</u></span>
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1 year ago
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Problem 5-35: Two genes control color in corn snakes as follows: O- B- snakes are brown, O- bb are orange, oo B- are black, and
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7 0
2 years ago
Review the results of your table and summarize your observations about how the different substances cross membranes.
zalisa [80]

Answer: Oxygen: Passive transport

Carbon dioxide: Passive transport

Fructose: Passive transport

Glutamine: Endocytosis

Sodium ion: Active

Potassium ion: active

Protein molecule: active

Explanation:

Hope this helps :)

7 0
1 year ago
Theodor W. Engelmann illuminated a filament of algae with light that passed through a prism, thus exposing different segments of
Mariana [72]

Answer:

C) Bacteria congregated in these areas because these areas had the most oxygen being released.

Explanation:

Below is the full question:

Theodor W. Engelmann illuminated a filament of algae with light that passed through a prism, thus exposing different segments of algae to different wavelengths of light. He added aerobic bacteria and then noted in which areas the bacteria congregated. He noted that the largest groups were found in the areas illuminated by the red and blue light.

What did Engelmann conclude about the congregation of bacteria in the red and blue areas?

A) Bacteria released excess carbon dioxide in these areas.

B) Bacteria congregated in these areas due to an increase in the temperature of the red and blue light.

C) Bacteria congregated in these areas because these areas had the most oxygen being released.

D) Bacteria are attracted to red and blue light and thus these wavelengths are more reactive than other wavelengths.

E) Bacteria congregated in these areas due to an increase in the temperature caused by an increase in photosynthesis.

The most efficient region of white light for photosynthesis has been found to be the blue and red region of the white light. Hence, these two regions must have had the most oxygen being released because they are the regions with the highest rates of photosynthesis.

<em>Aerobic bacteria thrived better in the regions illuminated by red and blue light because these regions had the highest oxygen production as a result of having the highest rates of photosynthesis.</em>

<em>The correct option is C.</em>

3 0
1 year ago
A ___ star has a greater temperature than a ___ star
melamori03 [73]
A I think that is how lightning works anyways
7 0
2 years ago
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