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
Masteriza [31]
3 years ago
9

Explain what is unique about the marine worms' digestive and circulatory systems?

Biology
1 answer:
miss Akunina [59]3 years ago
3 0

Answer:

These worms have a mouth on their lower, or ventral, surface through which they take in food as they move along rocks and other sub- strates. ... Food enters the mouth and is digested in the intestine; the nutrients diffuse throughout the body (there are no circulatory or respiratory sys- tems).

Explanation:

You might be interested in
The adjacent of materials that follow a major earthquake often generate smaller earthquakes called
Gennadij [26K]

They are called aftershocks.

3 0
3 years ago
Which of the following statements is TRUE, regarding your DNA and the DNA of a banana? Both are made up of the same amino acids
Inga [223]

The correct answer is option D

Both are made up of the same nucleotide, but in a different sequence

DNA is made up of same set of nucleotide only the sequence is different which generates different set of amino acids forming the proteins of different types.Proteins are the building blocks of DNA which are responsible for different characteristics of an individual.

8 0
3 years ago
16. The room is very dark<br>a. Fins<br>b. Dim<br>e. Deep<br>d. Bright:​
Ivanshal [37]

Answer:

What is the question ?

Explanation:

8 0
3 years ago
What are some risks of genetic engineering on humans?
nekit [7.7K]
Certain changes in a plant or animal could cause unpredicted allergic reactions in some people which, in its original form, did<span> not occur. Other changes could make an organism toxic to </span>humans<span> or other organisms. These concerns range from ethical issues to a lack of knowledge on the effects </span>genetic engineering<span> may have.</span>
6 0
3 years ago
Why do most biologists consider RNA to be life's first coding system?
galina1969 [7]
Because they studied a lot about dna and rna and figured that rna was the first coding system of lofe
5 0
3 years ago
Read 2 more answers
Other questions:
  • Humans are vulnerable to the forces of nature. Which description is an example of a conflict and resolution that best supports t
    14·2 answers
  • When a player steps into his/her backswing, where should the weight of his/her body be placed? (1 point) le???? hip right hip ba
    8·1 answer
  • Plzzz help me
    9·2 answers
  • How do decomposes help an ecosystem
    10·2 answers
  • Which event is associated with tornados?
    13·2 answers
  • About 300 million years ago, the seas and oceans were inhabited by tiny plants and other organisms. These organisms died and wer
    12·2 answers
  • Enzymes often
    9·1 answer
  • During photosynthesis,energy from sunlight is used to start a reaction. And water.
    15·2 answers
  • List three potential effects of errors occurring during meiosis.
    13·2 answers
  • What is the watery environment that the dna and ribosomes float in
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!