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Vesnalui [34]
3 years ago
13

How is energy lost as it moves through a food web

Biology
2 answers:
allsm [11]3 years ago
8 0

Answer: Energy is lost as metabolic heat as it moves through the food web.

Alona [7]3 years ago
4 0
Energy decreases as it moves up trophic levels because energy is lost as metabolic heat
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C. Nuclei acids ....RNA and DNA
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True or False: Contractions of smooth muscles are voluntary. It happens with your control.
andrey2020 [161]

Answer:

False

Explanation:

Smooth muscle is under autonomic nervous system control (which is something you cannot consciously control). Same thing is for cardiac muscle.

The only thing you can control is skeletal muscle like your hands and feet.

6 0
2 years ago
How did prostitutes prevent pregnancy in the old west?
bazaltina [42]

Hello, that is a very good question!


Back then there was no such thing as 'birth-control', hence they never actually prevented pregnancies, of course there were services that provided 'different' penetration but that could also result in pregnancies.


The popular method of not giving birth [prevent pregnancy] was to kill the baby while still carrying [termination], in other words have a miscarriage.

There many various methods during that time (herbs, beating, old cloth hanger).


Hope this helped,

j548831


8 0
3 years ago
For a science experiment. John gradually added a sedium hydroxide (NaOH) solution to warm vegetable oil in a glass test tube. He
Marrrta [24]

The sodium hydroxide solution and vegetable oil underwent a chemical change.

<h3><u>Explanation:</u></h3>

The reaction between a base and a fat or fatty acid is called as saponification reaction. Here the base dissociates into the cation and hydroxyl ion. The hydrogen from the fatty acid of the oil reacts with the hydroxyl ion to form water which is basically the neutralization reaction. This cation now reacts with the rest of the fatty acid to form a bipolar molecule which is the soap. During the reaction, the solution becomes cloudy but with time, it again goes back to solution. The cloudyness appears because oil isn't soluble in water based solutions and the base is actually made solution in water.

Here the sodium hydroxide reacts with oil to form water and the soap molecule which is a chemical change.

6 0
3 years ago
What is a Cell membranes
posledela

Answer:

cell membrane is the outer boundary present around the cells functions to protect the inner cellular material from outer invaders and maintain the shape of cell

Explanation:

Cell membrane is the outer most boundary made up of lipids and proteins.

Mainly the membrane is composed of lipid bilayer in which protein chains are embedded

4 0
3 years ago
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