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Kamila [148]
3 years ago
14

23. Christina wanted to know whether the eating behavior of goldfish is affected by music. She set up a fish tank. Every day, sh

e played music for the fish and
measured how much the fish ate. What is Christina missing from this experiment?

Biology
2 answers:
Lady_Fox [76]3 years ago
6 0

Answer:not you cheating on the bsa but she doesn’t have a control group

Explanation:

morpeh [17]3 years ago
4 0

Cheating is not allowed and you can get in big trouble!!

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A student designed an experiment to test the effect of temperature on bacterial growth. He grew three different cultures of E. c
tigry1 [53]

Answer:

Temperature

Explanation:

An experiment has an independent variable which is a factor changed during the experiment. Effect of changes in the independent variable on the dependent variable is seen during the experiment.

According to the question, the experiment was set to observe the effect of temperature on bacterial growth. The bacterial population was exposed to different temperatures. Since the temperature was changed to observe its effect on bacteria growth, the temperature is the independent variable here.  

8 0
3 years ago
Which of the following is TRUE about what occurs in the chemical reaction of cellular respiration? CHOOSE ALL THAT APPLY (there'
GREYUIT [131]
I believe that B and D are the only answers that I am sure of. C is incorrect and A seems incorrect as well. E may be a correct answer, but you will need to check the chemical equation. Hope this helps!
6 0
3 years ago
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In the deep waters of the ocean, coral reefs are found in abundance. Algae live on these coral reefs, providing nutrition and pr
PolarNik [594]

In the deep waters of the ocean, coral reefs are found in abundance. Algae live on these coral reefs, providing nutrition and producing pigments that give color to the corals. The corals offer shelter to the algae. So, they share a association. Climate change has led to increased temperatures and has caused the corals to throw away the algae living inside them. This action causes the corals to be bleached because of a lack of pigment. This change will lead to a decrease in the coral growth, reduced fecundity and can cause death of corals.

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3 years ago
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Which Best describes how water moves during osmosis? From low salute concentration to high salute concentration
Alenkinab [10]

Complete question: Which Best describes how water moves during osmosis?

A. From passive transport regions to active transport regions

B. From active transport regions to passive transport regions

C. From high solute concentration to low solute concentration

D. From low solute concentration to high solute concentration

Answer:

The correct option is D(From low solute concentration to high solute concentration)

Explanation:

Osmosis can be defined as the thermal movement of water molecules through a selectively permeable or semi-permeable membrane.

A selectively (differentially) permeable membrane will only allow certain molecules to pass through it. Water molecules can pass through a selectively permeable membrane easily but solutes(for example, sugar molecules) cannot.

Using sugar solution to explain further, the following occurs when equal volume of a weak( low solute concentration) and a strong sugar solution( high solute concentration) are separated by a selectively permeable membrane. A diffusion gradient exists between the water molecules in the two solutions. As a result, water molecules move from the low solute concentration to high solute concentration through the membrane. This water movement continues untill there is equal concentration of sugar on the both sides of the membrane.

8 0
3 years ago
Someone help me asap
padilas [110]

Answer:

i dunno thats confusing and i cant see it sadly

Explanation:

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3 years ago
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