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
erastovalidia [21]
3 years ago
5

What do most echinoderms use to move​

Biology
1 answer:
seropon [69]3 years ago
5 0

When echinoderms move in a manner such as walking or crawling, they pump sea water through a series of internal body canals. The water is used to inflate some of the tube feet, causing them to expand. In many species, the tube feet are equipped with suc(k)ers that grip onto the sea floor.

You might be interested in
96% of your body is made up of what 4 elements?
pogonyaev

Answer:

oxygen, carbon, hydrogen and nitrogen, a lot of it in the form of water.

Explanation:

3 0
3 years ago
Read 2 more answers
PLEASE HELP
ArbitrLikvidat [17]

Answer:

1. A massive star depletes its nuclear fuel; gravity overpowers the star; supernova occurs; core of star collapses

2. black hole; gravitational pull

3. The center of the Milky Way

Explanation:

5 0
3 years ago
A diagram showing types of energy by color with labels. From left to right, colors are red, orange, yellow, green, blue, indigo,
barxatty [35]

Answer:

Explanation:

D , B , C ,A

4 0
3 years ago
Read 2 more answers
Which of the following are reasons that Mendel used pea plants in his genetic experiments?
NeTakaya

Answer:

I think option B and C is correct answer

4 0
3 years ago
Read 2 more answers
The level of which hormone increases after ovulation?
MArishka [77]

The answer should be C, progesterone.


Progesterone is the hormone which can help maintain the lining of uterus and to further thicken it so that the uterus is prepared for implantation and the development of a baby. The level of progesterone is significantly rose after ovulation.


On the other hand, LH, luteinising hormone, is produced by oestrogen, another female hormone which will drop after ovulation. LH helps stimulate ovulation and prevent the development of other follicles, the origin of eggs, to form yellow body instead. Which yellow body is the one which stimulates the production of progesterone.


Last but not least, I believe D should be testosterone, and it is a male hormone so it will not be found in female normally.


Therefore, your answer should be C, progesterone.

3 0
3 years ago
Other questions:
  • Charlie lifts a box with a force of 500 N and sets it on a table top 1.2 m above its starting position. Lauren pushes an identic
    9·1 answer
  • How do you calculate total magnification of a microscope
    9·1 answer
  • Conjugation differs from reproduction because conjugation
    12·1 answer
  • What is the scientific name for red blood cells
    9·2 answers
  • The cnidarians inner layer of tissue is specialized for
    10·1 answer
  • Which best describes this type of reaction?
    5·1 answer
  • Name of the upper limb
    12·2 answers
  • Transparent or translucent materials are to used to make?
    5·1 answer
  • Realiza un esquema de la clasificación de los nutrientes, y enliste los alimentos en los que consten características, dónde se e
    6·1 answer
  • Which type of cell attacks a variety of unwanted cells and causes those cells to undergo apoptosis?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!