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
snow_tiger [21]
3 years ago
11

Describe how the organism grows and develops sea urchin

Biology
1 answer:
FrozenT [24]3 years ago
3 0
Sea urchins can be raised from egg to egg in the laboratory. With proper food, the larvae can be grown to maturity in about 3 weeks. When mature larvae are exposed to the proper chemical cues metamorphosis occurs. Over the next 5 days the small urchins develop internal organs and then begin to feed.
You might be interested in
How does earth atmosphere support life?
Luda [366]

Answer:Water. Earth. Fire. Air.

My grandmother used to tell me stories about the old days, a time of peace when the Avatar kept balance between the Water Tribes, Earth Kingdom, Fire Nation, and Air Nomads. But that all changed when the Fire Nation attacked. Only the Avatar mastered all four elements. Only he could stop the ruthless firebenders, but when the world needed him most, he vanished. A hundred years have passed and the Fire Nation is nearing victory in the War.

Two years ago, my father and the men of my tribe journeyed to the Earth Kingdom to help fight against the Fire Nation, leaving me and my brother to look after our tribe. Some people believe that the Avatar was never reborn into the Air Nomads, and that the cycle is broken. But I haven't lost hope. I still believe that somehow, the Avatar will return to save the world.

[Series Opening]

Water. Earth. Fire. Air.

Long ago, the four nations lived together in harmony. Then, everything changed when the Fire Nation attacked. Only the Avatar, master of all four elements, could stop them, but when the world needed him most, he vanished. A hundred years passed and my brother and I discovered the new Avatar, an airbender named Aang, and although his airbending skills are great, he has a lot to learn before he's ready to save anyone. But I believe Aang can save the world.

7 0
3 years ago
Read 2 more answers
An elongating ribosome is bound to appropriate tRNAs in both the A and P sites and is ready for peptidyl transfer. What happens
Nata [24]
The answer for this is C
7 0
3 years ago
The Quiver tree grows in Southern Africa. Which of the following plant adaptations is likely to prevent these trees from dying o
vesna_86 [32]

B. Shifting their growing range towards the equator

4 0
3 years ago
If a sample of DNA contains 20% C nucleotides, what percent of G nucleotides would there be. Explain
Licemer1 [7]

Answer:

The perecentage of guanine is 30%

Explanation:

the DNA from any cell of all organisms should have a 1:1 ratio (base Pair Rule) of purine bases [for the DNA cytosine, thymine and for the RNA uracil] and pyrimidine bases [guanine and adenine for RNA and DNA]. The amount of guanine should be equaled to cytosine and the amount of adenine should be equaled to thymine. You can follow this rule in both strands of the DNA.

7 0
3 years ago
Read 2 more answers
What is the difference between a gene and a chromosome
malfutka [58]
Gene—>DNA—>Chromosome

Gene: a section of DNA
Chromosome: combination of sections of DNA
7 0
3 years ago
Other questions:
  • What biological macromolecule is made up of monomers like the one shown below?
    13·2 answers
  • Why is it said that sunlight provides energy either directly or indirectly to all living thing on earth?
    9·2 answers
  • What empirical evidence supports the theory of plate tectonics? Help fast plzzzzzzzzzzzzzzzz
    7·1 answer
  • A student prepares some microscope slides showing root cells, leaf cells, and stem cells taken from a single plant. Which statem
    10·2 answers
  • Provide an explanation of how Beta vulgaris plays a role in the movement of carbon atoms between living and non-living systems.
    7·1 answer
  • 1. A jar contains 100 marbles total. Some are black. If you pull 4 marbles out and 1 is black
    7·2 answers
  • Which is an example of respiration?
    11·2 answers
  • Why does food get cold but drinks get hot​
    10·1 answer
  • What is the solution to the equation log2 (3x − 4) = 5?
    5·1 answer
  • Which of these actions could extend the life span of our current coal supply?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!