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raketka [301]
4 years ago
9

Food chains are usually short mainly because A) only a single species of herbivore feeds on each plant species. B) local extinct

ion of a species causes the extinction of the other species in its food chain. C) most of the energy in a trophic level is lost as it passes to the next higher level. D) predator species are less diverse and less abundant than prey species. E) most producers are inedible.
Biology
2 answers:
Sloan [31]4 years ago
5 0
The answer is C) because only about 10% of energy is transferred through each tropic level. If food chains were long, the top predators would receive barely any energy and would die. They would go extinct which leaves only short food chains with usually 5 trophic levels at the most.
kodGreya [7K]4 years ago
3 0

Answer:a

Explanation:because the other ones don’t make sense

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____ are the small sacs that are the site of gas exchange in the lungs
sertanlavr [38]

Answer:

alveoli

Explanation:

They are the smallest structures in our lungs where capillaries exchange O2 and CO2 in blood.

6 0
3 years ago
1. Though Florida receives a lot of rainfall, only 1 percent remains available for people to use or drink. What happens to the r
svetoff [14.1K]
The answers to the questions are as follows: 

1)  61% percent of that water leaves the <span>ground through evapotranspiration. 
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38% percent of the water flows into the Atlantic Ocean & Gulf of Mexico.

<span>2) South Carolina, Georgia, Alabama, Mississippi 


3) </span><span>Abundance of wetlands,Frequent flooding,Difficulty navigating the state 
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I hope my answer has come to your help. God bless and have a nice day ahead!
3 0
3 years ago
ANSWER CORRECTLY ASAP FOR 35 POINTS!!! ASAP AND GET BRAINLIEST!!!!!
SVETLANKA909090 [29]

Answer:

the process that would make them go as dark or light would be because they and blend in better to no the eaten it is called "latrell Selection" so in the Beach mice would stay light because they look like sand but if they were dark they would be easy to see that is why they are not there same thing for the forest but the other way around

if the forest changed to more sandy it would let lighter mice live there to but the dark mice would still live because it is not all sand i like it would be equal amount of dark and light mice because they would both have there spot to hide and just as vulnerable if the switched spots

Hope This Helped  

3 0
2 years ago
As a first step in the proposal, the investigator(Wouldbe Fiancé) needs to make many copies of DNA of known sequence. How would
xenn [34]

Answer:

The correct option is <em>A) Carry out DNA cloning of the desired sequence into a plasmid vector and then put that into bacteria and wait for the bacteria to copy the gene every time the cells divide.</em>

Explanation:

The DNA can be easily cloned by the help of vectors like plasmids. Plasmids can be described as an extra-chromosomal ring which is present in bacteria. The plasmid has many multiple cloning sites where the desired DNA can be incorporated. the plasmid with the foreign DNA is then incorporated back into a bacterial cell. As bacterial cells like E.coli divide in a short period of time, many copied of our DNA could be obtained whenever the bacterial cell replicates.

6 0
3 years ago
What are the functions of the larynx and how does it carry out them on a daily basis?
MArishka [77]
The larynx is an nicknamed the "voice box" because it holds the vocal cords inside. It helps change the pitch and volume of our voices as we speak. It is the only part of the body capable of doing this job, so we don't ever want it removed. Our voices would be much more monotone sounding. The larynx connects the pharynx to the trachea in the neck. It is also capable of allowing air through for us to breathe, but does not let anything (food or drink) block the airway. This is obviously a daily function since we eat and drink numerous times daily and usually have no problems breathing while eating and drinking. This is thanks to the larynx.

Hope this helps! :)
4 0
3 years ago
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