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
lorasvet [3.4K]
3 years ago
7

Describe the difference between a food chain and a food web. Which most resembles what is found in an ecosystem?

Biology
1 answer:
Leto [7]3 years ago
6 0
"A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. ... Food webs consist of many interconnected food chains and are more realistic representation of consumption relationships in ecosystems."
You might be interested in
Where is starch found in the body? what body tissues is starch found in??
MaRussiya [10]
Starch is stored in muscles and liver
8 0
3 years ago
How do rates of mutation "power" molecular clocks?
stepladder [879]
Molecular clocks use rates of mutation to measure evolutionary time.Mutations add up at a fairly constant rate in the DNA of species that evolved from a common ancestor. The more mutations that happened in each lineage, the greater is the differences between these lineages.
8 0
4 years ago
Why are phytoplankton essential to aquatic life zones?
AnnyKZ [126]
Phytoplankton are essential to aquatic life zones because: they provide the basis of food chains. Log in for more information. Added 5/22/2016 9:52:12 AM This answer has been confirmed as correct and helpful.
8 0
3 years ago
Read 2 more answers
A hot air balloon has a volume of 15 L when it’s released from sea level, where the pressure is 100 kPa. What will be the hot ai
Lunna [17]

Answer:

65 L

Explanation:

It is assumed that the temperature is constant at both the sea level and the altitude.

<em>According to the gas law, at constant temperature, the pressure of a gas is inversely proportional to its volume.</em> Mathematically:

P1V1 = P2V2 where P1 = pressure at initial volume, V1 = volume at initial pressure, P2 = pressure at final volume, and V2 = volume at final pressure.

In the illustration, V1 = 15 L, P1 = 100 kPa, V2 =?, P2 = 23 kPa

V2 = P1V1/P2 =  100 x 15/23 = 65.22 L

<u>The volume of the hot air balloon at the altitude would be 65 L</u>

5 0
3 years ago
Explain phloem structure and function, using the following terms: sieve elements, sieve cells, companion cells, girdling, transl
madam [21]

Answer:

Explanation:

Phloem cells are conducting vessels that are found in vascular plant. They are used in the transport of photosynthate produce during photosynthesis from the source of production to other parts of the body.

It consist of sieve elements, which are the conducting vessel that aids transport of sugar round the body. They are very active before maturity at mature they are no longer in use.

Companion cells are used in replacement of sieve element at maturity, they function in metabolism together with the sieve tube Translocation is the transport or movement of sugar round the body.

Girdlings is the removal of the bark of a plant this can inhibit active transport of food.

Non-reducing sugar are monosacharrides such as glucose that are produce and transported round the body of the plant.

P-protein are found in the plants sap usually in large amount in the sieve elements.

3 0
3 years ago
Other questions:
  • An individual who is blood type AB negative has what antigens
    12·1 answer
  • You have been assigned the task of identifying the cells in a plant tissue sample. using your microscope you determine the cells
    14·1 answer
  • What triggers the production of glucose-regulating hormones?
    15·1 answer
  • Which of the following is true of fertilization in conifers?
    8·2 answers
  • What causes temperatures in the summer to be higher than temperatures in the winter?
    11·2 answers
  • CAN YOU EXPLAIN?
    11·1 answer
  • Two example of exothermic reaction in our daily life
    9·2 answers
  • The sequence of bases on one strand of a DNA molecule is
    13·1 answer
  • PLEASE HELP ME I ONLY HAVE A FEW MORE QUESTIONS LEFT!!!
    14·2 answers
  • How do most animals obtain nitrogen to build their body proteins?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!