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
Fudgin [204]
3 years ago
7

What is a radula? what is it used for?

Biology
2 answers:
Svetllana [295]3 years ago
8 0
<span>A tongue like organ that is used for feeding</span>
grigory [225]3 years ago
7 0
A radula is an anatomical structure that is used by mollusks for feeding, sometimes compared to a tongue. It is a minutely toothed, chitinous ribbon, which is typically used for scraping or cutting food before the food enters the esophagus
You might be interested in
This is for biology thanks
Katarina [22]
Ryfttydejdeexhfldyyldoydyofoyfx
7 0
3 years ago
Read 2 more answers
Pre-Lab Questions What are two ways that some prokaryotes are able to survive in extreme environments? Describe three ways that
il63 [147K]

What are two ways that some prokaryotes are able to survive in extreme environments?

Answer:

1. Presence of thick cell wall in prokaryotes help them to survive in hypo-osmotic and hyper-osmotic conditions.

2. Production of endospores by bacteria. Bacteria use these structures to produce off sprigs because these structures are heat and drought resistant. They germinate when the conditions became favorable for growth.

Describe three ways that microorganisms in soil contribute to the ecosystem as a whole.

Answer:

1. As decomposer return the nitrogen contents back to ecosystem.

2. Bacteria detoxify may harmful substances present in water bodies therefore some species of bacteria are used for bio-remediation of ecosystem.

3. Bacterial byproducts help plant to grow faster because these byproducts act as stimuli for plant growth.

Give two examples of genera that produce endospores, and explain why they are important in human health.

Answer:

Endospore Producing Genus:

Bacteria belongs to genus Bacillus and Clostridium produce endospores.  

Importance for humans.:

1. Bacillus species are used to produce antibiotics, metabolites, enzymes which help in curing human diseases.

2. While species of Clostridium cause food poisoning in human.

What are coliforms? Why are they important in assuring water quality?

Answer:

Coliforms are gram negative bacteria have road like shape found in spoiled water.  

Importance:

These bacteria are important indicator of polluted water therefore in water quality testing their presence tells us about the water quality that how much is this water polluted.

Why is E. coli the indicator bacterium for fecal contamination?

Answer:

E. Coli found in the intestine of humans. As E. Coli itself does not cause mild infections therefore its presence indicates the presence if other deadly pathogens which may cause dangerous diseases to human.

7 0
3 years ago
Which transport process does the cell use to direct the contents of vesticals out of the cell membrane?
julsineya [31]
The answer is C. Exocytosis 
6 0
3 years ago
Read 2 more answers
Why do hyphae spread from one area to another
grandymaker [24]

ungus and mold do not provide their own nutrients so they must feed off of various food sources. They absorb the nutrients and break down the food. As this happen the hyphae is able to add new cells and grow upward as well as branching out like a tree.

please mark as BRAINLIEST

thank you

4 0
3 years ago
What bodies of water are the reason we have weather and life on earth?
erastova [34]
Global warning I'm not sure
8 0
3 years ago
Other questions:
  • Phineas Gage was a foreman on a railroad crew who suffered brain damage in a blasting accident. After the accident, he lost inte
    14·1 answer
  • What can he assume about the number of adenine?
    10·2 answers
  • Get 20 points if you help on this question test ​
    7·1 answer
  • Similarities between the Frog nervous system and the human nervous system
    6·1 answer
  • Arteries carry oxygen-rich blood to capillaries. Please select the best answer from the choices provided.
    9·2 answers
  • How can the mechanical advantage of a lever be increased?
    12·1 answer
  • Carbon dating is accurate only for objects less than 60,000 years old. Use the idea of half-life to explain this limitation.
    9·1 answer
  • List five of the other subject areas involved in the study of ecology
    8·1 answer
  • List the color of the stars from the hottest to coldest
    12·2 answers
  • Well it’s food science but yeah
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!