BIOLOGY HIGH SCHOOL

Echinoderms, like sea stars, have nervous system

Answers

Answer 1
Answer: The answer is a simple radial nervous system.

Echinoderms do not have brains. Around their mouth, they have central rings from which nerves radially run into arms and along the body. Movement is controlled by the branches of those radial nerves.
Answer 2
Answer:

Answer:

simple radial nervous system.

Explanation:

Related Questions

Anthony is studying how quickly children tire based on the amount of sugar they ingest. He splits a group of 20 children into 2 groups. One group is given sugar and the other is not. Anthony asks the children to start playing at a playground at the same time, and to stop when they tire, measuring the time each child stops playing. He finds that the children who did not ingest sugar played 2 minutes longer than those who did ingest sugar. Anthony rerandomizes the data, calculates the difference between the means, and creates the dot plot shown below. Based on the data, can Anthony conclude the difference is significant?A: Yes Anthony can conclude the difference is significant because a 2-minute difference is not likely to happen by chance B: No, Anthony cannot conclude the difference is significant because a 2-minute difference is likely to happen by chance. C: Yes, Anthony can conclude the difference is significant because 0.25 is the difference in means that occurs most often. D: No, Anthony cannot conclude the difference is significant because 0.25 is the difference in means that occurs most often.
What's attached to the center carbon in amino acids?
Compared to the velocity of an earthquate's p-waves, the velocity of the s-waves in the same material is
Skin color in a certain species of fish is inherited via a single gene with four different alleles. One fish of this type has alleles 1 and 3 (S1S and its mate has alleles 2 and 4 (S2S4). If each allele confers a unit of color darkness such that S1 has one unit, S2 has two units, and so on, then what proportion of their offspring would be expected to have five units of color? A) 1/4 B) 1/5 C) 1/8 D) 1/2 E) 0
Of the following, which is most likely to result after a farmer sprays his crops with pesticides

Do ferns only grow in wet areas?

Answers

Yes because prothallus needs water as transportation purpose of male gamet to female

Which process drives Darwin’s theory of evolution?

Answers

The answer is natural selection.


Natural selection is the differences in survival and reproduction as the consequence of differences in phenotypes. According to Darwin's theory of evolution, natural selection is the only factor that affects a frequency of different variations and it is the only mechanism of evolution. In natural selection, genotype variations that will increase the chance of survival and reproduction of some organism are preserved and will be inherited. Darwin's theory suggested that there are variations among individuals in a population and that these variations will help individuals to survive.

The answer to the question is in fact Natural Selection

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__________ are found in BOTH viruses AND in living single-celled organisms, such as protozoans and bacteria.

Answers

The answer for that question is DNA or RNA.
To be more specfic, DNA.

After a gastrectomy a patient can return to regular eating habits in a few days.True
False

Answers

Answer:

False. After a gastrectomy, you will need to have 6 or more small meals a day instead of 3 main meals. You will also need to choose high-calorie, high-protein foods and fluids to meet your nutritional needs. You will have to avoid drinking liquids with meals and wait about 30 minutes before and after a meal to drink anything.

Final answer:

False. After a gastrectomy, a patient cannot immediately return to regular eating habits.

Explanation:

False. After a gastrectomy, which is the surgical removal of all or part of the stomach, a patient cannot immediately return to regular eating habits. It takes time for the body to adjust to the changes and recover from the surgery. Initially, the patient will be put on a liquid or soft food diet to allow the surgical area to heal, and then gradually progress to solid foods over a period of weeks or months, depending on the individual case.

Learn more about Gastrectomy here:

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What is the function of an exoskeleton?

Answers

11.To protect the internal organs against attack or damage 2.To give structural support to the internal organs, muscles and sinuses 3.To facilitate the movement of limbs & appendages.

The inversion of terrestrial and aquatic energy pyramids is dependent upon the nature of that environment’s particular _______.a. decomposers
b. climate
c. primary consumers
d. producers

Answers

The correct answer is (d.) producers. The inversion of terrestrial and aquatic energy pyramids is dependent upon the nature of that environment's particular producers. Producers are the one who give and supply the foods that is being consumed by the consumers. 
Hello! The correct answer would definatley be D. Producers
I am taking this test as well.
hope this helps!!!! :)
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