1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
9966 [12]
3 years ago
7

Phytoplankton use sunlight to gain energy through photosynthesis. As a result of the Law of Conservation of Energy, phytoplankto

n cannot gain more energy than it consumes. A closed system consisting of an aquarium, phytoplankton, and sunlight is set up. Which of the following methods would best demonstrate the Law of Conservation of Energy? (3 points)
A. Measure the mass and temperature of the water. Then cover the aquarium to block the sunlight and measure the mass of the phytoplankton.
B. Change the closed system to isolated, so that energy can move out of it. Then measure the amount of energy that leaves.
C. Measure the mass of the phytoplankton before and after photosynthesis. Add the mass of the water.
D. Measure the amount of energy in the phytoplankton and the amount of light entering the aquarium. Then measure the amount of energy in the phytoplankton after exposure to the light and determine the difference
Biology
1 answer:
Mandarinka [93]3 years ago
3 0

Answer: D: Measure the amount of energy in the phytoplankton and the amount of light entering the aquarium. Then measure the amount of energy in the phytoplankton after exposure to the light and determine the difference.

Explanation: This will describe the law as the amount of energy leaving the system will be the same as measured before exposure to light.

You might be interested in
Sponges have...<br> a. a coelom<br> b.tentacles<br> c. specialized cells<br> d. bilateral symmetry
brilliants [131]
C.specialized cells
such as choanocyes which grab food when filter feeding
3 0
3 years ago
Read 2 more answers
How is E. coli like a paramecium
neonofarm [45]
B. they are both unicellular
8 0
3 years ago
Read 2 more answers
Gracie squeezed some grapes and kept the juice in a vessel for 5 days at room temperature. On the fifth day she found that the j
Rina8888 [55]
The changes in the grape juice happened due to the alcoholic fermentation of the grape juice that occurs due to the presence of aerobic bacteria. The presence of yeast is the main reason behind the process of fermentation taking place. The froth is produced due to the presence of the formation of acid and carbon dioxide. 
3 0
3 years ago
Read 2 more answers
Convert 86,000 cm to km. Show all of your work.
Dominik [7]
Centimeter = 1/100 of a Meter
Kilometer = 1000 Meters

86,000/100 = 860 Meters
860/1000 = 0.86 Kilometers
3 0
3 years ago
Read 2 more answers
I need help please asap ​
ruslelena [56]

Answer: the canine parvovirus infection is digestive

giardiasis is also digestive

tracheobronchitis is respitory

feline viral rhinotracheitis respitory

coccidios im pretty sure that is digestive

Explanation:

3 0
2 years ago
Other questions:
  • What are the symptoms of a scorpion sting?
    10·1 answer
  • This geographic feature gave rise to early civilization.
    10·2 answers
  • You transform an E. coli bacterium with the pGLO plasmid. After growing the +pGLO bacteria on an LB+Ampicillin+Arabinose plate,
    15·1 answer
  • One way bulimia is different from anorexia is that bulimia __________.
    14·1 answer
  • Which element is an example of a metalloid?<br> A) gold <br> B) helium <br> C) iron <br> D) silicon
    13·2 answers
  • Scientists from which nations were involved in discovering and describing the strong nuclear force?
    11·2 answers
  • 11. What type of cell is formed in this MALE organism at stage D? *
    11·1 answer
  • Therapeutic cloning in which embryonic stem cells are used raises concerns among some members of society. Which of these is usua
    6·1 answer
  • What is the main purpose of WBC in blood platelets​
    8·2 answers
  • 5B
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!